github: query most of the data

27 files changed, 10441 insertions, 0 deletions

diff --git a/vendor/google.golang.org/appengine/LICENSE b/vendor/google.golang.org/appengine/LICENSE
new file mode 100644
index 00000000..d6456956
--- /dev/null
+++ b/vendor/google.golang.org/appengine/LICENSE
@@ -0,0 +1,202 @@
+
+                                 Apache License
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+
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diff --git a/vendor/google.golang.org/appengine/internal/api.go b/vendor/google.golang.org/appengine/internal/api.go
new file mode 100644
index 00000000..16f87c5d
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/api.go
@@ -0,0 +1,660 @@
+// Copyright 2011 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+// +build !appengine
+// +build go1.7
+
+package internal
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net"
+	"net/http"
+	"net/url"
+	"os"
+	"runtime"
+	"strconv"
+	"strings"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	"github.com/golang/protobuf/proto"
+	netcontext "golang.org/x/net/context"
+
+	basepb "google.golang.org/appengine/internal/base"
+	logpb "google.golang.org/appengine/internal/log"
+	remotepb "google.golang.org/appengine/internal/remote_api"
+)
+
+const (
+	apiPath             = "/rpc_http"
+	defaultTicketSuffix = "/default.20150612t184001.0"
+)
+
+var (
+	// Incoming headers.
+	ticketHeader       = http.CanonicalHeaderKey("X-AppEngine-API-Ticket")
+	dapperHeader       = http.CanonicalHeaderKey("X-Google-DapperTraceInfo")
+	traceHeader        = http.CanonicalHeaderKey("X-Cloud-Trace-Context")
+	curNamespaceHeader = http.CanonicalHeaderKey("X-AppEngine-Current-Namespace")
+	userIPHeader       = http.CanonicalHeaderKey("X-AppEngine-User-IP")
+	remoteAddrHeader   = http.CanonicalHeaderKey("X-AppEngine-Remote-Addr")
+
+	// Outgoing headers.
+	apiEndpointHeader      = http.CanonicalHeaderKey("X-Google-RPC-Service-Endpoint")
+	apiEndpointHeaderValue = []string{"app-engine-apis"}
+	apiMethodHeader        = http.CanonicalHeaderKey("X-Google-RPC-Service-Method")
+	apiMethodHeaderValue   = []string{"/VMRemoteAPI.CallRemoteAPI"}
+	apiDeadlineHeader      = http.CanonicalHeaderKey("X-Google-RPC-Service-Deadline")
+	apiContentType         = http.CanonicalHeaderKey("Content-Type")
+	apiContentTypeValue    = []string{"application/octet-stream"}
+	logFlushHeader         = http.CanonicalHeaderKey("X-AppEngine-Log-Flush-Count")
+
+	apiHTTPClient = &http.Client{
+		Transport: &http.Transport{
+			Proxy: http.ProxyFromEnvironment,
+			Dial:  limitDial,
+		},
+	}
+
+	defaultTicketOnce     sync.Once
+	defaultTicket         string
+	backgroundContextOnce sync.Once
+	backgroundContext     netcontext.Context
+)
+
+func apiURL() *url.URL {
+	host, port := "appengine.googleapis.internal", "10001"
+	if h := os.Getenv("API_HOST"); h != "" {
+		host = h
+	}
+	if p := os.Getenv("API_PORT"); p != "" {
+		port = p
+	}
+	return &url.URL{
+		Scheme: "http",
+		Host:   host + ":" + port,
+		Path:   apiPath,
+	}
+}
+
+func handleHTTP(w http.ResponseWriter, r *http.Request) {
+	c := &context{
+		req:       r,
+		outHeader: w.Header(),
+		apiURL:    apiURL(),
+	}
+	r = r.WithContext(withContext(r.Context(), c))
+	c.req = r
+
+	stopFlushing := make(chan int)
+
+	// Patch up RemoteAddr so it looks reasonable.
+	if addr := r.Header.Get(userIPHeader); addr != "" {
+		r.RemoteAddr = addr
+	} else if addr = r.Header.Get(remoteAddrHeader); addr != "" {
+		r.RemoteAddr = addr
+	} else {
+		// Should not normally reach here, but pick a sensible default anyway.
+		r.RemoteAddr = "127.0.0.1"
+	}
+	// The address in the headers will most likely be of these forms:
+	//	123.123.123.123
+	//	2001:db8::1
+	// net/http.Request.RemoteAddr is specified to be in "IP:port" form.
+	if _, _, err := net.SplitHostPort(r.RemoteAddr); err != nil {
+		// Assume the remote address is only a host; add a default port.
+		r.RemoteAddr = net.JoinHostPort(r.RemoteAddr, "80")
+	}
+
+	// Start goroutine responsible for flushing app logs.
+	// This is done after adding c to ctx.m (and stopped before removing it)
+	// because flushing logs requires making an API call.
+	go c.logFlusher(stopFlushing)
+
+	executeRequestSafely(c, r)
+	c.outHeader = nil // make sure header changes aren't respected any more
+
+	stopFlushing <- 1 // any logging beyond this point will be dropped
+
+	// Flush any pending logs asynchronously.
+	c.pendingLogs.Lock()
+	flushes := c.pendingLogs.flushes
+	if len(c.pendingLogs.lines) > 0 {
+		flushes++
+	}
+	c.pendingLogs.Unlock()
+	go c.flushLog(false)
+	w.Header().Set(logFlushHeader, strconv.Itoa(flushes))
+
+	// Avoid nil Write call if c.Write is never called.
+	if c.outCode != 0 {
+		w.WriteHeader(c.outCode)
+	}
+	if c.outBody != nil {
+		w.Write(c.outBody)
+	}
+}
+
+func executeRequestSafely(c *context, r *http.Request) {
+	defer func() {
+		if x := recover(); x != nil {
+			logf(c, 4, "%s", renderPanic(x)) // 4 == critical
+			c.outCode = 500
+		}
+	}()
+
+	http.DefaultServeMux.ServeHTTP(c, r)
+}
+
+func renderPanic(x interface{}) string {
+	buf := make([]byte, 16<<10) // 16 KB should be plenty
+	buf = buf[:runtime.Stack(buf, false)]
+
+	// Remove the first few stack frames:
+	//   this func
+	//   the recover closure in the caller
+	// That will root the stack trace at the site of the panic.
+	const (
+		skipStart  = "internal.renderPanic"
+		skipFrames = 2
+	)
+	start := bytes.Index(buf, []byte(skipStart))
+	p := start
+	for i := 0; i < skipFrames*2 && p+1 < len(buf); i++ {
+		p = bytes.IndexByte(buf[p+1:], '\n') + p + 1
+		if p < 0 {
+			break
+		}
+	}
+	if p >= 0 {
+		// buf[start:p+1] is the block to remove.
+		// Copy buf[p+1:] over buf[start:] and shrink buf.
+		copy(buf[start:], buf[p+1:])
+		buf = buf[:len(buf)-(p+1-start)]
+	}
+
+	// Add panic heading.
+	head := fmt.Sprintf("panic: %v\n\n", x)
+	if len(head) > len(buf) {
+		// Extremely unlikely to happen.
+		return head
+	}
+	copy(buf[len(head):], buf)
+	copy(buf, head)
+
+	return string(buf)
+}
+
+// context represents the context of an in-flight HTTP request.
+// It implements the appengine.Context and http.ResponseWriter interfaces.
+type context struct {
+	req *http.Request
+
+	outCode   int
+	outHeader http.Header
+	outBody   []byte
+
+	pendingLogs struct {
+		sync.Mutex
+		lines   []*logpb.UserAppLogLine
+		flushes int
+	}
+
+	apiURL *url.URL
+}
+
+var contextKey = "holds a *context"
+
+// jointContext joins two contexts in a superficial way.
+// It takes values and timeouts from a base context, and only values from another context.
+type jointContext struct {
+	base       netcontext.Context
+	valuesOnly netcontext.Context
+}
+
+func (c jointContext) Deadline() (time.Time, bool) {
+	return c.base.Deadline()
+}
+
+func (c jointContext) Done() <-chan struct{} {
+	return c.base.Done()
+}
+
+func (c jointContext) Err() error {
+	return c.base.Err()
+}
+
+func (c jointContext) Value(key interface{}) interface{} {
+	if val := c.base.Value(key); val != nil {
+		return val
+	}
+	return c.valuesOnly.Value(key)
+}
+
+// fromContext returns the App Engine context or nil if ctx is not
+// derived from an App Engine context.
+func fromContext(ctx netcontext.Context) *context {
+	c, _ := ctx.Value(&contextKey).(*context)
+	return c
+}
+
+func withContext(parent netcontext.Context, c *context) netcontext.Context {
+	ctx := netcontext.WithValue(parent, &contextKey, c)
+	if ns := c.req.Header.Get(curNamespaceHeader); ns != "" {
+		ctx = withNamespace(ctx, ns)
+	}
+	return ctx
+}
+
+func toContext(c *context) netcontext.Context {
+	return withContext(netcontext.Background(), c)
+}
+
+func IncomingHeaders(ctx netcontext.Context) http.Header {
+	if c := fromContext(ctx); c != nil {
+		return c.req.Header
+	}
+	return nil
+}
+
+func ReqContext(req *http.Request) netcontext.Context {
+	return req.Context()
+}
+
+func WithContext(parent netcontext.Context, req *http.Request) netcontext.Context {
+	return jointContext{
+		base:       parent,
+		valuesOnly: req.Context(),
+	}
+}
+
+// DefaultTicket returns a ticket used for background context or dev_appserver.
+func DefaultTicket() string {
+	defaultTicketOnce.Do(func() {
+		if IsDevAppServer() {
+			defaultTicket = "testapp" + defaultTicketSuffix
+			return
+		}
+		appID := partitionlessAppID()
+		escAppID := strings.Replace(strings.Replace(appID, ":", "_", -1), ".", "_", -1)
+		majVersion := VersionID(nil)
+		if i := strings.Index(majVersion, "."); i > 0 {
+			majVersion = majVersion[:i]
+		}
+		defaultTicket = fmt.Sprintf("%s/%s.%s.%s", escAppID, ModuleName(nil), majVersion, InstanceID())
+	})
+	return defaultTicket
+}
+
+func BackgroundContext() netcontext.Context {
+	backgroundContextOnce.Do(func() {
+		// Compute background security ticket.
+		ticket := DefaultTicket()
+
+		c := &context{
+			req: &http.Request{
+				Header: http.Header{
+					ticketHeader: []string{ticket},
+				},
+			},
+			apiURL: apiURL(),
+		}
+		backgroundContext = toContext(c)
+
+		// TODO(dsymonds): Wire up the shutdown handler to do a final flush.
+		go c.logFlusher(make(chan int))
+	})
+
+	return backgroundContext
+}
+
+// RegisterTestRequest registers the HTTP request req for testing, such that
+// any API calls are sent to the provided URL. It returns a closure to delete
+// the registration.
+// It should only be used by aetest package.
+func RegisterTestRequest(req *http.Request, apiURL *url.URL, decorate func(netcontext.Context) netcontext.Context) (*http.Request, func()) {
+	c := &context{
+		req:    req,
+		apiURL: apiURL,
+	}
+	ctx := withContext(decorate(req.Context()), c)
+	req = req.WithContext(ctx)
+	c.req = req
+	return req, func() {}
+}
+
+var errTimeout = &CallError{
+	Detail:  "Deadline exceeded",
+	Code:    int32(remotepb.RpcError_CANCELLED),
+	Timeout: true,
+}
+
+func (c *context) Header() http.Header { return c.outHeader }
+
+// Copied from $GOROOT/src/pkg/net/http/transfer.go. Some response status
+// codes do not permit a response body (nor response entity headers such as
+// Content-Length, Content-Type, etc).
+func bodyAllowedForStatus(status int) bool {
+	switch {
+	case status >= 100 && status <= 199:
+		return false
+	case status == 204:
+		return false
+	case status == 304:
+		return false
+	}
+	return true
+}
+
+func (c *context) Write(b []byte) (int, error) {
+	if c.outCode == 0 {
+		c.WriteHeader(http.StatusOK)
+	}
+	if len(b) > 0 && !bodyAllowedForStatus(c.outCode) {
+		return 0, http.ErrBodyNotAllowed
+	}
+	c.outBody = append(c.outBody, b...)
+	return len(b), nil
+}
+
+func (c *context) WriteHeader(code int) {
+	if c.outCode != 0 {
+		logf(c, 3, "WriteHeader called multiple times on request.") // error level
+		return
+	}
+	c.outCode = code
+}
+
+func (c *context) post(body []byte, timeout time.Duration) (b []byte, err error) {
+	hreq := &http.Request{
+		Method: "POST",
+		URL:    c.apiURL,
+		Header: http.Header{
+			apiEndpointHeader: apiEndpointHeaderValue,
+			apiMethodHeader:   apiMethodHeaderValue,
+			apiContentType:    apiContentTypeValue,
+			apiDeadlineHeader: []string{strconv.FormatFloat(timeout.Seconds(), 'f', -1, 64)},
+		},
+		Body:          ioutil.NopCloser(bytes.NewReader(body)),
+		ContentLength: int64(len(body)),
+		Host:          c.apiURL.Host,
+	}
+	if info := c.req.Header.Get(dapperHeader); info != "" {
+		hreq.Header.Set(dapperHeader, info)
+	}
+	if info := c.req.Header.Get(traceHeader); info != "" {
+		hreq.Header.Set(traceHeader, info)
+	}
+
+	tr := apiHTTPClient.Transport.(*http.Transport)
+
+	var timedOut int32 // atomic; set to 1 if timed out
+	t := time.AfterFunc(timeout, func() {
+		atomic.StoreInt32(&timedOut, 1)
+		tr.CancelRequest(hreq)
+	})
+	defer t.Stop()
+	defer func() {
+		// Check if timeout was exceeded.
+		if atomic.LoadInt32(&timedOut) != 0 {
+			err = errTimeout
+		}
+	}()
+
+	hresp, err := apiHTTPClient.Do(hreq)
+	if err != nil {
+		return nil, &CallError{
+			Detail: fmt.Sprintf("service bridge HTTP failed: %v", err),
+			Code:   int32(remotepb.RpcError_UNKNOWN),
+		}
+	}
+	defer hresp.Body.Close()
+	hrespBody, err := ioutil.ReadAll(hresp.Body)
+	if hresp.StatusCode != 200 {
+		return nil, &CallError{
+			Detail: fmt.Sprintf("service bridge returned HTTP %d (%q)", hresp.StatusCode, hrespBody),
+			Code:   int32(remotepb.RpcError_UNKNOWN),
+		}
+	}
+	if err != nil {
+		return nil, &CallError{
+			Detail: fmt.Sprintf("service bridge response bad: %v", err),
+			Code:   int32(remotepb.RpcError_UNKNOWN),
+		}
+	}
+	return hrespBody, nil
+}
+
+func Call(ctx netcontext.Context, service, method string, in, out proto.Message) error {
+	if ns := NamespaceFromContext(ctx); ns != "" {
+		if fn, ok := NamespaceMods[service]; ok {
+			fn(in, ns)
+		}
+	}
+
+	if f, ctx, ok := callOverrideFromContext(ctx); ok {
+		return f(ctx, service, method, in, out)
+	}
+
+	// Handle already-done contexts quickly.
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	default:
+	}
+
+	c := fromContext(ctx)
+	if c == nil {
+		// Give a good error message rather than a panic lower down.
+		return errNotAppEngineContext
+	}
+
+	// Apply transaction modifications if we're in a transaction.
+	if t := transactionFromContext(ctx); t != nil {
+		if t.finished {
+			return errors.New("transaction context has expired")
+		}
+		applyTransaction(in, &t.transaction)
+	}
+
+	// Default RPC timeout is 60s.
+	timeout := 60 * time.Second
+	if deadline, ok := ctx.Deadline(); ok {
+		timeout = deadline.Sub(time.Now())
+	}
+
+	data, err := proto.Marshal(in)
+	if err != nil {
+		return err
+	}
+
+	ticket := c.req.Header.Get(ticketHeader)
+	// Use a test ticket under test environment.
+	if ticket == "" {
+		if appid := ctx.Value(&appIDOverrideKey); appid != nil {
+			ticket = appid.(string) + defaultTicketSuffix
+		}
+	}
+	// Fall back to use background ticket when the request ticket is not available in Flex or dev_appserver.
+	if ticket == "" {
+		ticket = DefaultTicket()
+	}
+	req := &remotepb.Request{
+		ServiceName: &service,
+		Method:      &method,
+		Request:     data,
+		RequestId:   &ticket,
+	}
+	hreqBody, err := proto.Marshal(req)
+	if err != nil {
+		return err
+	}
+
+	hrespBody, err := c.post(hreqBody, timeout)
+	if err != nil {
+		return err
+	}
+
+	res := &remotepb.Response{}
+	if err := proto.Unmarshal(hrespBody, res); err != nil {
+		return err
+	}
+	if res.RpcError != nil {
+		ce := &CallError{
+			Detail: res.RpcError.GetDetail(),
+			Code:   *res.RpcError.Code,
+		}
+		switch remotepb.RpcError_ErrorCode(ce.Code) {
+		case remotepb.RpcError_CANCELLED, remotepb.RpcError_DEADLINE_EXCEEDED:
+			ce.Timeout = true
+		}
+		return ce
+	}
+	if res.ApplicationError != nil {
+		return &APIError{
+			Service: *req.ServiceName,
+			Detail:  res.ApplicationError.GetDetail(),
+			Code:    *res.ApplicationError.Code,
+		}
+	}
+	if res.Exception != nil || res.JavaException != nil {
+		// This shouldn't happen, but let's be defensive.
+		return &CallError{
+			Detail: "service bridge returned exception",
+			Code:   int32(remotepb.RpcError_UNKNOWN),
+		}
+	}
+	return proto.Unmarshal(res.Response, out)
+}
+
+func (c *context) Request() *http.Request {
+	return c.req
+}
+
+func (c *context) addLogLine(ll *logpb.UserAppLogLine) {
+	// Truncate long log lines.
+	// TODO(dsymonds): Check if this is still necessary.
+	const lim = 8 << 10
+	if len(*ll.Message) > lim {
+		suffix := fmt.Sprintf("...(length %d)", len(*ll.Message))
+		ll.Message = proto.String((*ll.Message)[:lim-len(suffix)] + suffix)
+	}
+
+	c.pendingLogs.Lock()
+	c.pendingLogs.lines = append(c.pendingLogs.lines, ll)
+	c.pendingLogs.Unlock()
+}
+
+var logLevelName = map[int64]string{
+	0: "DEBUG",
+	1: "INFO",
+	2: "WARNING",
+	3: "ERROR",
+	4: "CRITICAL",
+}
+
+func logf(c *context, level int64, format string, args ...interface{}) {
+	if c == nil {
+		panic("not an App Engine context")
+	}
+	s := fmt.Sprintf(format, args...)
+	s = strings.TrimRight(s, "\n") // Remove any trailing newline characters.
+	c.addLogLine(&logpb.UserAppLogLine{
+		TimestampUsec: proto.Int64(time.Now().UnixNano() / 1e3),
+		Level:         &level,
+		Message:       &s,
+	})
+	log.Print(logLevelName[level] + ": " + s)
+}
+
+// flushLog attempts to flush any pending logs to the appserver.
+// It should not be called concurrently.
+func (c *context) flushLog(force bool) (flushed bool) {
+	c.pendingLogs.Lock()
+	// Grab up to 30 MB. We can get away with up to 32 MB, but let's be cautious.
+	n, rem := 0, 30<<20
+	for ; n < len(c.pendingLogs.lines); n++ {
+		ll := c.pendingLogs.lines[n]
+		// Each log line will require about 3 bytes of overhead.
+		nb := proto.Size(ll) + 3
+		if nb > rem {
+			break
+		}
+		rem -= nb
+	}
+	lines := c.pendingLogs.lines[:n]
+	c.pendingLogs.lines = c.pendingLogs.lines[n:]
+	c.pendingLogs.Unlock()
+
+	if len(lines) == 0 && !force {
+		// Nothing to flush.
+		return false
+	}
+
+	rescueLogs := false
+	defer func() {
+		if rescueLogs {
+			c.pendingLogs.Lock()
+			c.pendingLogs.lines = append(lines, c.pendingLogs.lines...)
+			c.pendingLogs.Unlock()
+		}
+	}()
+
+	buf, err := proto.Marshal(&logpb.UserAppLogGroup{
+		LogLine: lines,
+	})
+	if err != nil {
+		log.Printf("internal.flushLog: marshaling UserAppLogGroup: %v", err)
+		rescueLogs = true
+		return false
+	}
+
+	req := &logpb.FlushRequest{
+		Logs: buf,
+	}
+	res := &basepb.VoidProto{}
+	c.pendingLogs.Lock()
+	c.pendingLogs.flushes++
+	c.pendingLogs.Unlock()
+	if err := Call(toContext(c), "logservice", "Flush", req, res); err != nil {
+		log.Printf("internal.flushLog: Flush RPC: %v", err)
+		rescueLogs = true
+		return false
+	}
+	return true
+}
+
+const (
+	// Log flushing parameters.
+	flushInterval      = 1 * time.Second
+	forceFlushInterval = 60 * time.Second
+)
+
+func (c *context) logFlusher(stop <-chan int) {
+	lastFlush := time.Now()
+	tick := time.NewTicker(flushInterval)
+	for {
+		select {
+		case <-stop:
+			// Request finished.
+			tick.Stop()
+			return
+		case <-tick.C:
+			force := time.Now().Sub(lastFlush) > forceFlushInterval
+			if c.flushLog(force) {
+				lastFlush = time.Now()
+			}
+		}
+	}
+}
+
+func ContextForTesting(req *http.Request) netcontext.Context {
+	return toContext(&context{req: req})
+}
diff --git a/vendor/google.golang.org/appengine/internal/api_classic.go b/vendor/google.golang.org/appengine/internal/api_classic.go
new file mode 100644
index 00000000..f0f40b2e
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/api_classic.go
@@ -0,0 +1,169 @@
+// Copyright 2015 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+// +build appengine
+
+package internal
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"time"
+
+	"appengine"
+	"appengine_internal"
+	basepb "appengine_internal/base"
+
+	"github.com/golang/protobuf/proto"
+	netcontext "golang.org/x/net/context"
+)
+
+var contextKey = "holds an appengine.Context"
+
+// fromContext returns the App Engine context or nil if ctx is not
+// derived from an App Engine context.
+func fromContext(ctx netcontext.Context) appengine.Context {
+	c, _ := ctx.Value(&contextKey).(appengine.Context)
+	return c
+}
+
+// This is only for classic App Engine adapters.
+func ClassicContextFromContext(ctx netcontext.Context) (appengine.Context, error) {
+	c := fromContext(ctx)
+	if c == nil {
+		return nil, errNotAppEngineContext
+	}
+	return c, nil
+}
+
+func withContext(parent netcontext.Context, c appengine.Context) netcontext.Context {
+	ctx := netcontext.WithValue(parent, &contextKey, c)
+
+	s := &basepb.StringProto{}
+	c.Call("__go__", "GetNamespace", &basepb.VoidProto{}, s, nil)
+	if ns := s.GetValue(); ns != "" {
+		ctx = NamespacedContext(ctx, ns)
+	}
+
+	return ctx
+}
+
+func IncomingHeaders(ctx netcontext.Context) http.Header {
+	if c := fromContext(ctx); c != nil {
+		if req, ok := c.Request().(*http.Request); ok {
+			return req.Header
+		}
+	}
+	return nil
+}
+
+func ReqContext(req *http.Request) netcontext.Context {
+	return WithContext(netcontext.Background(), req)
+}
+
+func WithContext(parent netcontext.Context, req *http.Request) netcontext.Context {
+	c := appengine.NewContext(req)
+	return withContext(parent, c)
+}
+
+type testingContext struct {
+	appengine.Context
+
+	req *http.Request
+}
+
+func (t *testingContext) FullyQualifiedAppID() string { return "dev~testcontext" }
+func (t *testingContext) Call(service, method string, _, _ appengine_internal.ProtoMessage, _ *appengine_internal.CallOptions) error {
+	if service == "__go__" && method == "GetNamespace" {
+		return nil
+	}
+	return fmt.Errorf("testingContext: unsupported Call")
+}
+func (t *testingContext) Request() interface{} { return t.req }
+
+func ContextForTesting(req *http.Request) netcontext.Context {
+	return withContext(netcontext.Background(), &testingContext{req: req})
+}
+
+func Call(ctx netcontext.Context, service, method string, in, out proto.Message) error {
+	if ns := NamespaceFromContext(ctx); ns != "" {
+		if fn, ok := NamespaceMods[service]; ok {
+			fn(in, ns)
+		}
+	}
+
+	if f, ctx, ok := callOverrideFromContext(ctx); ok {
+		return f(ctx, service, method, in, out)
+	}
+
+	// Handle already-done contexts quickly.
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	default:
+	}
+
+	c := fromContext(ctx)
+	if c == nil {
+		// Give a good error message rather than a panic lower down.
+		return errNotAppEngineContext
+	}
+
+	// Apply transaction modifications if we're in a transaction.
+	if t := transactionFromContext(ctx); t != nil {
+		if t.finished {
+			return errors.New("transaction context has expired")
+		}
+		applyTransaction(in, &t.transaction)
+	}
+
+	var opts *appengine_internal.CallOptions
+	if d, ok := ctx.Deadline(); ok {
+		opts = &appengine_internal.CallOptions{
+			Timeout: d.Sub(time.Now()),
+		}
+	}
+
+	err := c.Call(service, method, in, out, opts)
+	switch v := err.(type) {
+	case *appengine_internal.APIError:
+		return &APIError{
+			Service: v.Service,
+			Detail:  v.Detail,
+			Code:    v.Code,
+		}
+	case *appengine_internal.CallError:
+		return &CallError{
+			Detail:  v.Detail,
+			Code:    v.Code,
+			Timeout: v.Timeout,
+		}
+	}
+	return err
+}
+
+func handleHTTP(w http.ResponseWriter, r *http.Request) {
+	panic("handleHTTP called; this should be impossible")
+}
+
+func logf(c appengine.Context, level int64, format string, args ...interface{}) {
+	var fn func(format string, args ...interface{})
+	switch level {
+	case 0:
+		fn = c.Debugf
+	case 1:
+		fn = c.Infof
+	case 2:
+		fn = c.Warningf
+	case 3:
+		fn = c.Errorf
+	case 4:
+		fn = c.Criticalf
+	default:
+		// This shouldn't happen.
+		fn = c.Criticalf
+	}
+	fn(format, args...)
+}
diff --git a/vendor/google.golang.org/appengine/internal/api_common.go b/vendor/google.golang.org/appengine/internal/api_common.go
new file mode 100644
index 00000000..e0c0b214
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/api_common.go
@@ -0,0 +1,123 @@
+// Copyright 2015 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package internal
+
+import (
+	"errors"
+	"os"
+
+	"github.com/golang/protobuf/proto"
+	netcontext "golang.org/x/net/context"
+)
+
+var errNotAppEngineContext = errors.New("not an App Engine context")
+
+type CallOverrideFunc func(ctx netcontext.Context, service, method string, in, out proto.Message) error
+
+var callOverrideKey = "holds []CallOverrideFunc"
+
+func WithCallOverride(ctx netcontext.Context, f CallOverrideFunc) netcontext.Context {
+	// We avoid appending to any existing call override
+	// so we don't risk overwriting a popped stack below.
+	var cofs []CallOverrideFunc
+	if uf, ok := ctx.Value(&callOverrideKey).([]CallOverrideFunc); ok {
+		cofs = append(cofs, uf...)
+	}
+	cofs = append(cofs, f)
+	return netcontext.WithValue(ctx, &callOverrideKey, cofs)
+}
+
+func callOverrideFromContext(ctx netcontext.Context) (CallOverrideFunc, netcontext.Context, bool) {
+	cofs, _ := ctx.Value(&callOverrideKey).([]CallOverrideFunc)
+	if len(cofs) == 0 {
+		return nil, nil, false
+	}
+	// We found a list of overrides; grab the last, and reconstitute a
+	// context that will hide it.
+	f := cofs[len(cofs)-1]
+	ctx = netcontext.WithValue(ctx, &callOverrideKey, cofs[:len(cofs)-1])
+	return f, ctx, true
+}
+
+type logOverrideFunc func(level int64, format string, args ...interface{})
+
+var logOverrideKey = "holds a logOverrideFunc"
+
+func WithLogOverride(ctx netcontext.Context, f logOverrideFunc) netcontext.Context {
+	return netcontext.WithValue(ctx, &logOverrideKey, f)
+}
+
+var appIDOverrideKey = "holds a string, being the full app ID"
+
+func WithAppIDOverride(ctx netcontext.Context, appID string) netcontext.Context {
+	return netcontext.WithValue(ctx, &appIDOverrideKey, appID)
+}
+
+var namespaceKey = "holds the namespace string"
+
+func withNamespace(ctx netcontext.Context, ns string) netcontext.Context {
+	return netcontext.WithValue(ctx, &namespaceKey, ns)
+}
+
+func NamespaceFromContext(ctx netcontext.Context) string {
+	// If there's no namespace, return the empty string.
+	ns, _ := ctx.Value(&namespaceKey).(string)
+	return ns
+}
+
+// FullyQualifiedAppID returns the fully-qualified application ID.
+// This may contain a partition prefix (e.g. "s~" for High Replication apps),
+// or a domain prefix (e.g. "example.com:").
+func FullyQualifiedAppID(ctx netcontext.Context) string {
+	if id, ok := ctx.Value(&appIDOverrideKey).(string); ok {
+		return id
+	}
+	return fullyQualifiedAppID(ctx)
+}
+
+func Logf(ctx netcontext.Context, level int64, format string, args ...interface{}) {
+	if f, ok := ctx.Value(&logOverrideKey).(logOverrideFunc); ok {
+		f(level, format, args...)
+		return
+	}
+	c := fromContext(ctx)
+	if c == nil {
+		panic(errNotAppEngineContext)
+	}
+	logf(c, level, format, args...)
+}
+
+// NamespacedContext wraps a Context to support namespaces.
+func NamespacedContext(ctx netcontext.Context, namespace string) netcontext.Context {
+	return withNamespace(ctx, namespace)
+}
+
+// SetTestEnv sets the env variables for testing background ticket in Flex.
+func SetTestEnv() func() {
+	var environ = []struct {
+		key, value string
+	}{
+		{"GAE_LONG_APP_ID", "my-app-id"},
+		{"GAE_MINOR_VERSION", "067924799508853122"},
+		{"GAE_MODULE_INSTANCE", "0"},
+		{"GAE_MODULE_NAME", "default"},
+		{"GAE_MODULE_VERSION", "20150612t184001"},
+	}
+
+	for _, v := range environ {
+		old := os.Getenv(v.key)
+		os.Setenv(v.key, v.value)
+		v.value = old
+	}
+	return func() { // Restore old environment after the test completes.
+		for _, v := range environ {
+			if v.value == "" {
+				os.Unsetenv(v.key)
+				continue
+			}
+			os.Setenv(v.key, v.value)
+		}
+	}
+}
diff --git a/vendor/google.golang.org/appengine/internal/api_pre17.go b/vendor/google.golang.org/appengine/internal/api_pre17.go
new file mode 100644
index 00000000..028b4f05
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/api_pre17.go
@@ -0,0 +1,682 @@
+// Copyright 2011 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+// +build !appengine
+// +build !go1.7
+
+package internal
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net"
+	"net/http"
+	"net/url"
+	"os"
+	"runtime"
+	"strconv"
+	"strings"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	"github.com/golang/protobuf/proto"
+	netcontext "golang.org/x/net/context"
+
+	basepb "google.golang.org/appengine/internal/base"
+	logpb "google.golang.org/appengine/internal/log"
+	remotepb "google.golang.org/appengine/internal/remote_api"
+)
+
+const (
+	apiPath             = "/rpc_http"
+	defaultTicketSuffix = "/default.20150612t184001.0"
+)
+
+var (
+	// Incoming headers.
+	ticketHeader       = http.CanonicalHeaderKey("X-AppEngine-API-Ticket")
+	dapperHeader       = http.CanonicalHeaderKey("X-Google-DapperTraceInfo")
+	traceHeader        = http.CanonicalHeaderKey("X-Cloud-Trace-Context")
+	curNamespaceHeader = http.CanonicalHeaderKey("X-AppEngine-Current-Namespace")
+	userIPHeader       = http.CanonicalHeaderKey("X-AppEngine-User-IP")
+	remoteAddrHeader   = http.CanonicalHeaderKey("X-AppEngine-Remote-Addr")
+
+	// Outgoing headers.
+	apiEndpointHeader      = http.CanonicalHeaderKey("X-Google-RPC-Service-Endpoint")
+	apiEndpointHeaderValue = []string{"app-engine-apis"}
+	apiMethodHeader        = http.CanonicalHeaderKey("X-Google-RPC-Service-Method")
+	apiMethodHeaderValue   = []string{"/VMRemoteAPI.CallRemoteAPI"}
+	apiDeadlineHeader      = http.CanonicalHeaderKey("X-Google-RPC-Service-Deadline")
+	apiContentType         = http.CanonicalHeaderKey("Content-Type")
+	apiContentTypeValue    = []string{"application/octet-stream"}
+	logFlushHeader         = http.CanonicalHeaderKey("X-AppEngine-Log-Flush-Count")
+
+	apiHTTPClient = &http.Client{
+		Transport: &http.Transport{
+			Proxy: http.ProxyFromEnvironment,
+			Dial:  limitDial,
+		},
+	}
+
+	defaultTicketOnce sync.Once
+	defaultTicket     string
+)
+
+func apiURL() *url.URL {
+	host, port := "appengine.googleapis.internal", "10001"
+	if h := os.Getenv("API_HOST"); h != "" {
+		host = h
+	}
+	if p := os.Getenv("API_PORT"); p != "" {
+		port = p
+	}
+	return &url.URL{
+		Scheme: "http",
+		Host:   host + ":" + port,
+		Path:   apiPath,
+	}
+}
+
+func handleHTTP(w http.ResponseWriter, r *http.Request) {
+	c := &context{
+		req:       r,
+		outHeader: w.Header(),
+		apiURL:    apiURL(),
+	}
+	stopFlushing := make(chan int)
+
+	ctxs.Lock()
+	ctxs.m[r] = c
+	ctxs.Unlock()
+	defer func() {
+		ctxs.Lock()
+		delete(ctxs.m, r)
+		ctxs.Unlock()
+	}()
+
+	// Patch up RemoteAddr so it looks reasonable.
+	if addr := r.Header.Get(userIPHeader); addr != "" {
+		r.RemoteAddr = addr
+	} else if addr = r.Header.Get(remoteAddrHeader); addr != "" {
+		r.RemoteAddr = addr
+	} else {
+		// Should not normally reach here, but pick a sensible default anyway.
+		r.RemoteAddr = "127.0.0.1"
+	}
+	// The address in the headers will most likely be of these forms:
+	//	123.123.123.123
+	//	2001:db8::1
+	// net/http.Request.RemoteAddr is specified to be in "IP:port" form.
+	if _, _, err := net.SplitHostPort(r.RemoteAddr); err != nil {
+		// Assume the remote address is only a host; add a default port.
+		r.RemoteAddr = net.JoinHostPort(r.RemoteAddr, "80")
+	}
+
+	// Start goroutine responsible for flushing app logs.
+	// This is done after adding c to ctx.m (and stopped before removing it)
+	// because flushing logs requires making an API call.
+	go c.logFlusher(stopFlushing)
+
+	executeRequestSafely(c, r)
+	c.outHeader = nil // make sure header changes aren't respected any more
+
+	stopFlushing <- 1 // any logging beyond this point will be dropped
+
+	// Flush any pending logs asynchronously.
+	c.pendingLogs.Lock()
+	flushes := c.pendingLogs.flushes
+	if len(c.pendingLogs.lines) > 0 {
+		flushes++
+	}
+	c.pendingLogs.Unlock()
+	go c.flushLog(false)
+	w.Header().Set(logFlushHeader, strconv.Itoa(flushes))
+
+	// Avoid nil Write call if c.Write is never called.
+	if c.outCode != 0 {
+		w.WriteHeader(c.outCode)
+	}
+	if c.outBody != nil {
+		w.Write(c.outBody)
+	}
+}
+
+func executeRequestSafely(c *context, r *http.Request) {
+	defer func() {
+		if x := recover(); x != nil {
+			logf(c, 4, "%s", renderPanic(x)) // 4 == critical
+			c.outCode = 500
+		}
+	}()
+
+	http.DefaultServeMux.ServeHTTP(c, r)
+}
+
+func renderPanic(x interface{}) string {
+	buf := make([]byte, 16<<10) // 16 KB should be plenty
+	buf = buf[:runtime.Stack(buf, false)]
+
+	// Remove the first few stack frames:
+	//   this func
+	//   the recover closure in the caller
+	// That will root the stack trace at the site of the panic.
+	const (
+		skipStart  = "internal.renderPanic"
+		skipFrames = 2
+	)
+	start := bytes.Index(buf, []byte(skipStart))
+	p := start
+	for i := 0; i < skipFrames*2 && p+1 < len(buf); i++ {
+		p = bytes.IndexByte(buf[p+1:], '\n') + p + 1
+		if p < 0 {
+			break
+		}
+	}
+	if p >= 0 {
+		// buf[start:p+1] is the block to remove.
+		// Copy buf[p+1:] over buf[start:] and shrink buf.
+		copy(buf[start:], buf[p+1:])
+		buf = buf[:len(buf)-(p+1-start)]
+	}
+
+	// Add panic heading.
+	head := fmt.Sprintf("panic: %v\n\n", x)
+	if len(head) > len(buf) {
+		// Extremely unlikely to happen.
+		return head
+	}
+	copy(buf[len(head):], buf)
+	copy(buf, head)
+
+	return string(buf)
+}
+
+var ctxs = struct {
+	sync.Mutex
+	m  map[*http.Request]*context
+	bg *context // background context, lazily initialized
+	// dec is used by tests to decorate the netcontext.Context returned
+	// for a given request. This allows tests to add overrides (such as
+	// WithAppIDOverride) to the context. The map is nil outside tests.
+	dec map[*http.Request]func(netcontext.Context) netcontext.Context
+}{
+	m: make(map[*http.Request]*context),
+}
+
+// context represents the context of an in-flight HTTP request.
+// It implements the appengine.Context and http.ResponseWriter interfaces.
+type context struct {
+	req *http.Request
+
+	outCode   int
+	outHeader http.Header
+	outBody   []byte
+
+	pendingLogs struct {
+		sync.Mutex
+		lines   []*logpb.UserAppLogLine
+		flushes int
+	}
+
+	apiURL *url.URL
+}
+
+var contextKey = "holds a *context"
+
+// fromContext returns the App Engine context or nil if ctx is not
+// derived from an App Engine context.
+func fromContext(ctx netcontext.Context) *context {
+	c, _ := ctx.Value(&contextKey).(*context)
+	return c
+}
+
+func withContext(parent netcontext.Context, c *context) netcontext.Context {
+	ctx := netcontext.WithValue(parent, &contextKey, c)
+	if ns := c.req.Header.Get(curNamespaceHeader); ns != "" {
+		ctx = withNamespace(ctx, ns)
+	}
+	return ctx
+}
+
+func toContext(c *context) netcontext.Context {
+	return withContext(netcontext.Background(), c)
+}
+
+func IncomingHeaders(ctx netcontext.Context) http.Header {
+	if c := fromContext(ctx); c != nil {
+		return c.req.Header
+	}
+	return nil
+}
+
+func ReqContext(req *http.Request) netcontext.Context {
+	return WithContext(netcontext.Background(), req)
+}
+
+func WithContext(parent netcontext.Context, req *http.Request) netcontext.Context {
+	ctxs.Lock()
+	c := ctxs.m[req]
+	d := ctxs.dec[req]
+	ctxs.Unlock()
+
+	if d != nil {
+		parent = d(parent)
+	}
+
+	if c == nil {
+		// Someone passed in an http.Request that is not in-flight.
+		// We panic here rather than panicking at a later point
+		// so that stack traces will be more sensible.
+		log.Panic("appengine: NewContext passed an unknown http.Request")
+	}
+	return withContext(parent, c)
+}
+
+// DefaultTicket returns a ticket used for background context or dev_appserver.
+func DefaultTicket() string {
+	defaultTicketOnce.Do(func() {
+		if IsDevAppServer() {
+			defaultTicket = "testapp" + defaultTicketSuffix
+			return
+		}
+		appID := partitionlessAppID()
+		escAppID := strings.Replace(strings.Replace(appID, ":", "_", -1), ".", "_", -1)
+		majVersion := VersionID(nil)
+		if i := strings.Index(majVersion, "."); i > 0 {
+			majVersion = majVersion[:i]
+		}
+		defaultTicket = fmt.Sprintf("%s/%s.%s.%s", escAppID, ModuleName(nil), majVersion, InstanceID())
+	})
+	return defaultTicket
+}
+
+func BackgroundContext() netcontext.Context {
+	ctxs.Lock()
+	defer ctxs.Unlock()
+
+	if ctxs.bg != nil {
+		return toContext(ctxs.bg)
+	}
+
+	// Compute background security ticket.
+	ticket := DefaultTicket()
+
+	ctxs.bg = &context{
+		req: &http.Request{
+			Header: http.Header{
+				ticketHeader: []string{ticket},
+			},
+		},
+		apiURL: apiURL(),
+	}
+
+	// TODO(dsymonds): Wire up the shutdown handler to do a final flush.
+	go ctxs.bg.logFlusher(make(chan int))
+
+	return toContext(ctxs.bg)
+}
+
+// RegisterTestRequest registers the HTTP request req for testing, such that
+// any API calls are sent to the provided URL. It returns a closure to delete
+// the registration.
+// It should only be used by aetest package.
+func RegisterTestRequest(req *http.Request, apiURL *url.URL, decorate func(netcontext.Context) netcontext.Context) (*http.Request, func()) {
+	c := &context{
+		req:    req,
+		apiURL: apiURL,
+	}
+	ctxs.Lock()
+	defer ctxs.Unlock()
+	if _, ok := ctxs.m[req]; ok {
+		log.Panic("req already associated with context")
+	}
+	if _, ok := ctxs.dec[req]; ok {
+		log.Panic("req already associated with context")
+	}
+	if ctxs.dec == nil {
+		ctxs.dec = make(map[*http.Request]func(netcontext.Context) netcontext.Context)
+	}
+	ctxs.m[req] = c
+	ctxs.dec[req] = decorate
+
+	return req, func() {
+		ctxs.Lock()
+		delete(ctxs.m, req)
+		delete(ctxs.dec, req)
+		ctxs.Unlock()
+	}
+}
+
+var errTimeout = &CallError{
+	Detail:  "Deadline exceeded",
+	Code:    int32(remotepb.RpcError_CANCELLED),
+	Timeout: true,
+}
+
+func (c *context) Header() http.Header { return c.outHeader }
+
+// Copied from $GOROOT/src/pkg/net/http/transfer.go. Some response status
+// codes do not permit a response body (nor response entity headers such as
+// Content-Length, Content-Type, etc).
+func bodyAllowedForStatus(status int) bool {
+	switch {
+	case status >= 100 && status <= 199:
+		return false
+	case status == 204:
+		return false
+	case status == 304:
+		return false
+	}
+	return true
+}
+
+func (c *context) Write(b []byte) (int, error) {
+	if c.outCode == 0 {
+		c.WriteHeader(http.StatusOK)
+	}
+	if len(b) > 0 && !bodyAllowedForStatus(c.outCode) {
+		return 0, http.ErrBodyNotAllowed
+	}
+	c.outBody = append(c.outBody, b...)
+	return len(b), nil
+}
+
+func (c *context) WriteHeader(code int) {
+	if c.outCode != 0 {
+		logf(c, 3, "WriteHeader called multiple times on request.") // error level
+		return
+	}
+	c.outCode = code
+}
+
+func (c *context) post(body []byte, timeout time.Duration) (b []byte, err error) {
+	hreq := &http.Request{
+		Method: "POST",
+		URL:    c.apiURL,
+		Header: http.Header{
+			apiEndpointHeader: apiEndpointHeaderValue,
+			apiMethodHeader:   apiMethodHeaderValue,
+			apiContentType:    apiContentTypeValue,
+			apiDeadlineHeader: []string{strconv.FormatFloat(timeout.Seconds(), 'f', -1, 64)},
+		},
+		Body:          ioutil.NopCloser(bytes.NewReader(body)),
+		ContentLength: int64(len(body)),
+		Host:          c.apiURL.Host,
+	}
+	if info := c.req.Header.Get(dapperHeader); info != "" {
+		hreq.Header.Set(dapperHeader, info)
+	}
+	if info := c.req.Header.Get(traceHeader); info != "" {
+		hreq.Header.Set(traceHeader, info)
+	}
+
+	tr := apiHTTPClient.Transport.(*http.Transport)
+
+	var timedOut int32 // atomic; set to 1 if timed out
+	t := time.AfterFunc(timeout, func() {
+		atomic.StoreInt32(&timedOut, 1)
+		tr.CancelRequest(hreq)
+	})
+	defer t.Stop()
+	defer func() {
+		// Check if timeout was exceeded.
+		if atomic.LoadInt32(&timedOut) != 0 {
+			err = errTimeout
+		}
+	}()
+
+	hresp, err := apiHTTPClient.Do(hreq)
+	if err != nil {
+		return nil, &CallError{
+			Detail: fmt.Sprintf("service bridge HTTP failed: %v", err),
+			Code:   int32(remotepb.RpcError_UNKNOWN),
+		}
+	}
+	defer hresp.Body.Close()
+	hrespBody, err := ioutil.ReadAll(hresp.Body)
+	if hresp.StatusCode != 200 {
+		return nil, &CallError{
+			Detail: fmt.Sprintf("service bridge returned HTTP %d (%q)", hresp.StatusCode, hrespBody),
+			Code:   int32(remotepb.RpcError_UNKNOWN),
+		}
+	}
+	if err != nil {
+		return nil, &CallError{
+			Detail: fmt.Sprintf("service bridge response bad: %v", err),
+			Code:   int32(remotepb.RpcError_UNKNOWN),
+		}
+	}
+	return hrespBody, nil
+}
+
+func Call(ctx netcontext.Context, service, method string, in, out proto.Message) error {
+	if ns := NamespaceFromContext(ctx); ns != "" {
+		if fn, ok := NamespaceMods[service]; ok {
+			fn(in, ns)
+		}
+	}
+
+	if f, ctx, ok := callOverrideFromContext(ctx); ok {
+		return f(ctx, service, method, in, out)
+	}
+
+	// Handle already-done contexts quickly.
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	default:
+	}
+
+	c := fromContext(ctx)
+	if c == nil {
+		// Give a good error message rather than a panic lower down.
+		return errNotAppEngineContext
+	}
+
+	// Apply transaction modifications if we're in a transaction.
+	if t := transactionFromContext(ctx); t != nil {
+		if t.finished {
+			return errors.New("transaction context has expired")
+		}
+		applyTransaction(in, &t.transaction)
+	}
+
+	// Default RPC timeout is 60s.
+	timeout := 60 * time.Second
+	if deadline, ok := ctx.Deadline(); ok {
+		timeout = deadline.Sub(time.Now())
+	}
+
+	data, err := proto.Marshal(in)
+	if err != nil {
+		return err
+	}
+
+	ticket := c.req.Header.Get(ticketHeader)
+	// Use a test ticket under test environment.
+	if ticket == "" {
+		if appid := ctx.Value(&appIDOverrideKey); appid != nil {
+			ticket = appid.(string) + defaultTicketSuffix
+		}
+	}
+	// Fall back to use background ticket when the request ticket is not available in Flex or dev_appserver.
+	if ticket == "" {
+		ticket = DefaultTicket()
+	}
+	req := &remotepb.Request{
+		ServiceName: &service,
+		Method:      &method,
+		Request:     data,
+		RequestId:   &ticket,
+	}
+	hreqBody, err := proto.Marshal(req)
+	if err != nil {
+		return err
+	}
+
+	hrespBody, err := c.post(hreqBody, timeout)
+	if err != nil {
+		return err
+	}
+
+	res := &remotepb.Response{}
+	if err := proto.Unmarshal(hrespBody, res); err != nil {
+		return err
+	}
+	if res.RpcError != nil {
+		ce := &CallError{
+			Detail: res.RpcError.GetDetail(),
+			Code:   *res.RpcError.Code,
+		}
+		switch remotepb.RpcError_ErrorCode(ce.Code) {
+		case remotepb.RpcError_CANCELLED, remotepb.RpcError_DEADLINE_EXCEEDED:
+			ce.Timeout = true
+		}
+		return ce
+	}
+	if res.ApplicationError != nil {
+		return &APIError{
+			Service: *req.ServiceName,
+			Detail:  res.ApplicationError.GetDetail(),
+			Code:    *res.ApplicationError.Code,
+		}
+	}
+	if res.Exception != nil || res.JavaException != nil {
+		// This shouldn't happen, but let's be defensive.
+		return &CallError{
+			Detail: "service bridge returned exception",
+			Code:   int32(remotepb.RpcError_UNKNOWN),
+		}
+	}
+	return proto.Unmarshal(res.Response, out)
+}
+
+func (c *context) Request() *http.Request {
+	return c.req
+}
+
+func (c *context) addLogLine(ll *logpb.UserAppLogLine) {
+	// Truncate long log lines.
+	// TODO(dsymonds): Check if this is still necessary.
+	const lim = 8 << 10
+	if len(*ll.Message) > lim {
+		suffix := fmt.Sprintf("...(length %d)", len(*ll.Message))
+		ll.Message = proto.String((*ll.Message)[:lim-len(suffix)] + suffix)
+	}
+
+	c.pendingLogs.Lock()
+	c.pendingLogs.lines = append(c.pendingLogs.lines, ll)
+	c.pendingLogs.Unlock()
+}
+
+var logLevelName = map[int64]string{
+	0: "DEBUG",
+	1: "INFO",
+	2: "WARNING",
+	3: "ERROR",
+	4: "CRITICAL",
+}
+
+func logf(c *context, level int64, format string, args ...interface{}) {
+	if c == nil {
+		panic("not an App Engine context")
+	}
+	s := fmt.Sprintf(format, args...)
+	s = strings.TrimRight(s, "\n") // Remove any trailing newline characters.
+	c.addLogLine(&logpb.UserAppLogLine{
+		TimestampUsec: proto.Int64(time.Now().UnixNano() / 1e3),
+		Level:         &level,
+		Message:       &s,
+	})
+	log.Print(logLevelName[level] + ": " + s)
+}
+
+// flushLog attempts to flush any pending logs to the appserver.
+// It should not be called concurrently.
+func (c *context) flushLog(force bool) (flushed bool) {
+	c.pendingLogs.Lock()
+	// Grab up to 30 MB. We can get away with up to 32 MB, but let's be cautious.
+	n, rem := 0, 30<<20
+	for ; n < len(c.pendingLogs.lines); n++ {
+		ll := c.pendingLogs.lines[n]
+		// Each log line will require about 3 bytes of overhead.
+		nb := proto.Size(ll) + 3
+		if nb > rem {
+			break
+		}
+		rem -= nb
+	}
+	lines := c.pendingLogs.lines[:n]
+	c.pendingLogs.lines = c.pendingLogs.lines[n:]
+	c.pendingLogs.Unlock()
+
+	if len(lines) == 0 && !force {
+		// Nothing to flush.
+		return false
+	}
+
+	rescueLogs := false
+	defer func() {
+		if rescueLogs {
+			c.pendingLogs.Lock()
+			c.pendingLogs.lines = append(lines, c.pendingLogs.lines...)
+			c.pendingLogs.Unlock()
+		}
+	}()
+
+	buf, err := proto.Marshal(&logpb.UserAppLogGroup{
+		LogLine: lines,
+	})
+	if err != nil {
+		log.Printf("internal.flushLog: marshaling UserAppLogGroup: %v", err)
+		rescueLogs = true
+		return false
+	}
+
+	req := &logpb.FlushRequest{
+		Logs: buf,
+	}
+	res := &basepb.VoidProto{}
+	c.pendingLogs.Lock()
+	c.pendingLogs.flushes++
+	c.pendingLogs.Unlock()
+	if err := Call(toContext(c), "logservice", "Flush", req, res); err != nil {
+		log.Printf("internal.flushLog: Flush RPC: %v", err)
+		rescueLogs = true
+		return false
+	}
+	return true
+}
+
+const (
+	// Log flushing parameters.
+	flushInterval      = 1 * time.Second
+	forceFlushInterval = 60 * time.Second
+)
+
+func (c *context) logFlusher(stop <-chan int) {
+	lastFlush := time.Now()
+	tick := time.NewTicker(flushInterval)
+	for {
+		select {
+		case <-stop:
+			// Request finished.
+			tick.Stop()
+			return
+		case <-tick.C:
+			force := time.Now().Sub(lastFlush) > forceFlushInterval
+			if c.flushLog(force) {
+				lastFlush = time.Now()
+			}
+		}
+	}
+}
+
+func ContextForTesting(req *http.Request) netcontext.Context {
+	return toContext(&context{req: req})
+}
diff --git a/vendor/google.golang.org/appengine/internal/app_id.go b/vendor/google.golang.org/appengine/internal/app_id.go
new file mode 100644
index 00000000..11df8c07
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/app_id.go
@@ -0,0 +1,28 @@
+// Copyright 2011 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package internal
+
+import (
+	"strings"
+)
+
+func parseFullAppID(appid string) (partition, domain, displayID string) {
+	if i := strings.Index(appid, "~"); i != -1 {
+		partition, appid = appid[:i], appid[i+1:]
+	}
+	if i := strings.Index(appid, ":"); i != -1 {
+		domain, appid = appid[:i], appid[i+1:]
+	}
+	return partition, domain, appid
+}
+
+// appID returns "appid" or "domain.com:appid".
+func appID(fullAppID string) string {
+	_, dom, dis := parseFullAppID(fullAppID)
+	if dom != "" {
+		return dom + ":" + dis
+	}
+	return dis
+}
diff --git a/vendor/google.golang.org/appengine/internal/base/api_base.pb.go b/vendor/google.golang.org/appengine/internal/base/api_base.pb.go
new file mode 100644
index 00000000..db4777e6
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/base/api_base.pb.go
@@ -0,0 +1,308 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: google.golang.org/appengine/internal/base/api_base.proto
+
+package base
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type StringProto struct {
+	Value                *string  `protobuf:"bytes,1,req,name=value" json:"value,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *StringProto) Reset()         { *m = StringProto{} }
+func (m *StringProto) String() string { return proto.CompactTextString(m) }
+func (*StringProto) ProtoMessage()    {}
+func (*StringProto) Descriptor() ([]byte, []int) {
+	return fileDescriptor_api_base_9d49f8792e0c1140, []int{0}
+}
+func (m *StringProto) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_StringProto.Unmarshal(m, b)
+}
+func (m *StringProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_StringProto.Marshal(b, m, deterministic)
+}
+func (dst *StringProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_StringProto.Merge(dst, src)
+}
+func (m *StringProto) XXX_Size() int {
+	return xxx_messageInfo_StringProto.Size(m)
+}
+func (m *StringProto) XXX_DiscardUnknown() {
+	xxx_messageInfo_StringProto.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_StringProto proto.InternalMessageInfo
+
+func (m *StringProto) GetValue() string {
+	if m != nil && m.Value != nil {
+		return *m.Value
+	}
+	return ""
+}
+
+type Integer32Proto struct {
+	Value                *int32   `protobuf:"varint,1,req,name=value" json:"value,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Integer32Proto) Reset()         { *m = Integer32Proto{} }
+func (m *Integer32Proto) String() string { return proto.CompactTextString(m) }
+func (*Integer32Proto) ProtoMessage()    {}
+func (*Integer32Proto) Descriptor() ([]byte, []int) {
+	return fileDescriptor_api_base_9d49f8792e0c1140, []int{1}
+}
+func (m *Integer32Proto) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Integer32Proto.Unmarshal(m, b)
+}
+func (m *Integer32Proto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Integer32Proto.Marshal(b, m, deterministic)
+}
+func (dst *Integer32Proto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Integer32Proto.Merge(dst, src)
+}
+func (m *Integer32Proto) XXX_Size() int {
+	return xxx_messageInfo_Integer32Proto.Size(m)
+}
+func (m *Integer32Proto) XXX_DiscardUnknown() {
+	xxx_messageInfo_Integer32Proto.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Integer32Proto proto.InternalMessageInfo
+
+func (m *Integer32Proto) GetValue() int32 {
+	if m != nil && m.Value != nil {
+		return *m.Value
+	}
+	return 0
+}
+
+type Integer64Proto struct {
+	Value                *int64   `protobuf:"varint,1,req,name=value" json:"value,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Integer64Proto) Reset()         { *m = Integer64Proto{} }
+func (m *Integer64Proto) String() string { return proto.CompactTextString(m) }
+func (*Integer64Proto) ProtoMessage()    {}
+func (*Integer64Proto) Descriptor() ([]byte, []int) {
+	return fileDescriptor_api_base_9d49f8792e0c1140, []int{2}
+}
+func (m *Integer64Proto) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Integer64Proto.Unmarshal(m, b)
+}
+func (m *Integer64Proto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Integer64Proto.Marshal(b, m, deterministic)
+}
+func (dst *Integer64Proto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Integer64Proto.Merge(dst, src)
+}
+func (m *Integer64Proto) XXX_Size() int {
+	return xxx_messageInfo_Integer64Proto.Size(m)
+}
+func (m *Integer64Proto) XXX_DiscardUnknown() {
+	xxx_messageInfo_Integer64Proto.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Integer64Proto proto.InternalMessageInfo
+
+func (m *Integer64Proto) GetValue() int64 {
+	if m != nil && m.Value != nil {
+		return *m.Value
+	}
+	return 0
+}
+
+type BoolProto struct {
+	Value                *bool    `protobuf:"varint,1,req,name=value" json:"value,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *BoolProto) Reset()         { *m = BoolProto{} }
+func (m *BoolProto) String() string { return proto.CompactTextString(m) }
+func (*BoolProto) ProtoMessage()    {}
+func (*BoolProto) Descriptor() ([]byte, []int) {
+	return fileDescriptor_api_base_9d49f8792e0c1140, []int{3}
+}
+func (m *BoolProto) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_BoolProto.Unmarshal(m, b)
+}
+func (m *BoolProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_BoolProto.Marshal(b, m, deterministic)
+}
+func (dst *BoolProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_BoolProto.Merge(dst, src)
+}
+func (m *BoolProto) XXX_Size() int {
+	return xxx_messageInfo_BoolProto.Size(m)
+}
+func (m *BoolProto) XXX_DiscardUnknown() {
+	xxx_messageInfo_BoolProto.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_BoolProto proto.InternalMessageInfo
+
+func (m *BoolProto) GetValue() bool {
+	if m != nil && m.Value != nil {
+		return *m.Value
+	}
+	return false
+}
+
+type DoubleProto struct {
+	Value                *float64 `protobuf:"fixed64,1,req,name=value" json:"value,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *DoubleProto) Reset()         { *m = DoubleProto{} }
+func (m *DoubleProto) String() string { return proto.CompactTextString(m) }
+func (*DoubleProto) ProtoMessage()    {}
+func (*DoubleProto) Descriptor() ([]byte, []int) {
+	return fileDescriptor_api_base_9d49f8792e0c1140, []int{4}
+}
+func (m *DoubleProto) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_DoubleProto.Unmarshal(m, b)
+}
+func (m *DoubleProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_DoubleProto.Marshal(b, m, deterministic)
+}
+func (dst *DoubleProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DoubleProto.Merge(dst, src)
+}
+func (m *DoubleProto) XXX_Size() int {
+	return xxx_messageInfo_DoubleProto.Size(m)
+}
+func (m *DoubleProto) XXX_DiscardUnknown() {
+	xxx_messageInfo_DoubleProto.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_DoubleProto proto.InternalMessageInfo
+
+func (m *DoubleProto) GetValue() float64 {
+	if m != nil && m.Value != nil {
+		return *m.Value
+	}
+	return 0
+}
+
+type BytesProto struct {
+	Value                []byte   `protobuf:"bytes,1,req,name=value" json:"value,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *BytesProto) Reset()         { *m = BytesProto{} }
+func (m *BytesProto) String() string { return proto.CompactTextString(m) }
+func (*BytesProto) ProtoMessage()    {}
+func (*BytesProto) Descriptor() ([]byte, []int) {
+	return fileDescriptor_api_base_9d49f8792e0c1140, []int{5}
+}
+func (m *BytesProto) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_BytesProto.Unmarshal(m, b)
+}
+func (m *BytesProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_BytesProto.Marshal(b, m, deterministic)
+}
+func (dst *BytesProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_BytesProto.Merge(dst, src)
+}
+func (m *BytesProto) XXX_Size() int {
+	return xxx_messageInfo_BytesProto.Size(m)
+}
+func (m *BytesProto) XXX_DiscardUnknown() {
+	xxx_messageInfo_BytesProto.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_BytesProto proto.InternalMessageInfo
+
+func (m *BytesProto) GetValue() []byte {
+	if m != nil {
+		return m.Value
+	}
+	return nil
+}
+
+type VoidProto struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *VoidProto) Reset()         { *m = VoidProto{} }
+func (m *VoidProto) String() string { return proto.CompactTextString(m) }
+func (*VoidProto) ProtoMessage()    {}
+func (*VoidProto) Descriptor() ([]byte, []int) {
+	return fileDescriptor_api_base_9d49f8792e0c1140, []int{6}
+}
+func (m *VoidProto) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_VoidProto.Unmarshal(m, b)
+}
+func (m *VoidProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_VoidProto.Marshal(b, m, deterministic)
+}
+func (dst *VoidProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_VoidProto.Merge(dst, src)
+}
+func (m *VoidProto) XXX_Size() int {
+	return xxx_messageInfo_VoidProto.Size(m)
+}
+func (m *VoidProto) XXX_DiscardUnknown() {
+	xxx_messageInfo_VoidProto.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_VoidProto proto.InternalMessageInfo
+
+func init() {
+	proto.RegisterType((*StringProto)(nil), "appengine.base.StringProto")
+	proto.RegisterType((*Integer32Proto)(nil), "appengine.base.Integer32Proto")
+	proto.RegisterType((*Integer64Proto)(nil), "appengine.base.Integer64Proto")
+	proto.RegisterType((*BoolProto)(nil), "appengine.base.BoolProto")
+	proto.RegisterType((*DoubleProto)(nil), "appengine.base.DoubleProto")
+	proto.RegisterType((*BytesProto)(nil), "appengine.base.BytesProto")
+	proto.RegisterType((*VoidProto)(nil), "appengine.base.VoidProto")
+}
+
+func init() {
+	proto.RegisterFile("google.golang.org/appengine/internal/base/api_base.proto", fileDescriptor_api_base_9d49f8792e0c1140)
+}
+
+var fileDescriptor_api_base_9d49f8792e0c1140 = []byte{
+	// 199 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0xcf, 0x3f, 0x4b, 0xc6, 0x30,
+	0x10, 0x06, 0x70, 0x5a, 0xad, 0xb4, 0x57, 0xe9, 0x20, 0x0e, 0x1d, 0xb5, 0x05, 0x71, 0x4a, 0x40,
+	0x45, 0x9c, 0x83, 0x8b, 0x9b, 0x28, 0x38, 0xb8, 0x48, 0x8a, 0xc7, 0x11, 0x08, 0xb9, 0x90, 0xa6,
+	0x82, 0xdf, 0x5e, 0xda, 0xd2, 0xfa, 0xc2, 0x9b, 0xed, 0xfe, 0xfc, 0xe0, 0xe1, 0x81, 0x27, 0x62,
+	0x26, 0x8b, 0x82, 0xd8, 0x6a, 0x47, 0x82, 0x03, 0x49, 0xed, 0x3d, 0x3a, 0x32, 0x0e, 0xa5, 0x71,
+	0x11, 0x83, 0xd3, 0x56, 0x0e, 0x7a, 0x44, 0xa9, 0xbd, 0xf9, 0x9a, 0x07, 0xe1, 0x03, 0x47, 0xbe,
+	0x68, 0x76, 0x27, 0xe6, 0x6b, 0xd7, 0x43, 0xfd, 0x1e, 0x83, 0x71, 0xf4, 0xba, 0xbc, 0x2f, 0xa1,
+	0xf8, 0xd1, 0x76, 0xc2, 0x36, 0xbb, 0xca, 0x6f, 0xab, 0xb7, 0x75, 0xe9, 0x6e, 0xa0, 0x79, 0x71,
+	0x11, 0x09, 0xc3, 0xfd, 0x5d, 0xc2, 0x15, 0xc7, 0xee, 0xf1, 0x21, 0xe1, 0x4e, 0x36, 0x77, 0x0d,
+	0x95, 0x62, 0xb6, 0x09, 0x52, 0x6e, 0xa4, 0x87, 0xfa, 0x99, 0xa7, 0xc1, 0x62, 0x02, 0x65, 0xff,
+	0x79, 0xa0, 0x7e, 0x23, 0x8e, 0xab, 0x69, 0x0f, 0xcd, 0xb9, 0xca, 0xcb, 0xdd, 0xd5, 0x50, 0x7d,
+	0xb0, 0xf9, 0x5e, 0x98, 0x3a, 0xfb, 0x3c, 0x9d, 0x9b, 0xff, 0x05, 0x00, 0x00, 0xff, 0xff, 0xba,
+	0x37, 0x25, 0xea, 0x44, 0x01, 0x00, 0x00,
+}
diff --git a/vendor/google.golang.org/appengine/internal/base/api_base.proto b/vendor/google.golang.org/appengine/internal/base/api_base.proto
new file mode 100644
index 00000000..56cd7a3c
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/base/api_base.proto
@@ -0,0 +1,33 @@
+// Built-in base types for API calls. Primarily useful as return types.
+
+syntax = "proto2";
+option go_package = "base";
+
+package appengine.base;
+
+message StringProto {
+  required string value = 1;
+}
+
+message Integer32Proto {
+  required int32 value = 1;
+}
+
+message Integer64Proto {
+  required int64 value = 1;
+}
+
+message BoolProto {
+  required bool value = 1;
+}
+
+message DoubleProto {
+  required double value = 1;
+}
+
+message BytesProto {
+  required bytes value = 1 [ctype=CORD];
+}
+
+message VoidProto {
+}
diff --git a/vendor/google.golang.org/appengine/internal/datastore/datastore_v3.pb.go b/vendor/google.golang.org/appengine/internal/datastore/datastore_v3.pb.go
new file mode 100644
index 00000000..2fb74828
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/datastore/datastore_v3.pb.go
@@ -0,0 +1,4367 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: google.golang.org/appengine/internal/datastore/datastore_v3.proto
+
+package datastore
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type Property_Meaning int32
+
+const (
+	Property_NO_MEANING       Property_Meaning = 0
+	Property_BLOB             Property_Meaning = 14
+	Property_TEXT             Property_Meaning = 15
+	Property_BYTESTRING       Property_Meaning = 16
+	Property_ATOM_CATEGORY    Property_Meaning = 1
+	Property_ATOM_LINK        Property_Meaning = 2
+	Property_ATOM_TITLE       Property_Meaning = 3
+	Property_ATOM_CONTENT     Property_Meaning = 4
+	Property_ATOM_SUMMARY     Property_Meaning = 5
+	Property_ATOM_AUTHOR      Property_Meaning = 6
+	Property_GD_WHEN          Property_Meaning = 7
+	Property_GD_EMAIL         Property_Meaning = 8
+	Property_GEORSS_POINT     Property_Meaning = 9
+	Property_GD_IM            Property_Meaning = 10
+	Property_GD_PHONENUMBER   Property_Meaning = 11
+	Property_GD_POSTALADDRESS Property_Meaning = 12
+	Property_GD_RATING        Property_Meaning = 13
+	Property_BLOBKEY          Property_Meaning = 17
+	Property_ENTITY_PROTO     Property_Meaning = 19
+	Property_INDEX_VALUE      Property_Meaning = 18
+)
+
+var Property_Meaning_name = map[int32]string{
+	0:  "NO_MEANING",
+	14: "BLOB",
+	15: "TEXT",
+	16: "BYTESTRING",
+	1:  "ATOM_CATEGORY",
+	2:  "ATOM_LINK",
+	3:  "ATOM_TITLE",
+	4:  "ATOM_CONTENT",
+	5:  "ATOM_SUMMARY",
+	6:  "ATOM_AUTHOR",
+	7:  "GD_WHEN",
+	8:  "GD_EMAIL",
+	9:  "GEORSS_POINT",
+	10: "GD_IM",
+	11: "GD_PHONENUMBER",
+	12: "GD_POSTALADDRESS",
+	13: "GD_RATING",
+	17: "BLOBKEY",
+	19: "ENTITY_PROTO",
+	18: "INDEX_VALUE",
+}
+var Property_Meaning_value = map[string]int32{
+	"NO_MEANING":       0,
+	"BLOB":             14,
+	"TEXT":             15,
+	"BYTESTRING":       16,
+	"ATOM_CATEGORY":    1,
+	"ATOM_LINK":        2,
+	"ATOM_TITLE":       3,
+	"ATOM_CONTENT":     4,
+	"ATOM_SUMMARY":     5,
+	"ATOM_AUTHOR":      6,
+	"GD_WHEN":          7,
+	"GD_EMAIL":         8,
+	"GEORSS_POINT":     9,
+	"GD_IM":            10,
+	"GD_PHONENUMBER":   11,
+	"GD_POSTALADDRESS": 12,
+	"GD_RATING":        13,
+	"BLOBKEY":          17,
+	"ENTITY_PROTO":     19,
+	"INDEX_VALUE":      18,
+}
+
+func (x Property_Meaning) Enum() *Property_Meaning {
+	p := new(Property_Meaning)
+	*p = x
+	return p
+}
+func (x Property_Meaning) String() string {
+	return proto.EnumName(Property_Meaning_name, int32(x))
+}
+func (x *Property_Meaning) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(Property_Meaning_value, data, "Property_Meaning")
+	if err != nil {
+		return err
+	}
+	*x = Property_Meaning(value)
+	return nil
+}
+func (Property_Meaning) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{2, 0}
+}
+
+type Property_FtsTokenizationOption int32
+
+const (
+	Property_HTML Property_FtsTokenizationOption = 1
+	Property_ATOM Property_FtsTokenizationOption = 2
+)
+
+var Property_FtsTokenizationOption_name = map[int32]string{
+	1: "HTML",
+	2: "ATOM",
+}
+var Property_FtsTokenizationOption_value = map[string]int32{
+	"HTML": 1,
+	"ATOM": 2,
+}
+
+func (x Property_FtsTokenizationOption) Enum() *Property_FtsTokenizationOption {
+	p := new(Property_FtsTokenizationOption)
+	*p = x
+	return p
+}
+func (x Property_FtsTokenizationOption) String() string {
+	return proto.EnumName(Property_FtsTokenizationOption_name, int32(x))
+}
+func (x *Property_FtsTokenizationOption) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(Property_FtsTokenizationOption_value, data, "Property_FtsTokenizationOption")
+	if err != nil {
+		return err
+	}
+	*x = Property_FtsTokenizationOption(value)
+	return nil
+}
+func (Property_FtsTokenizationOption) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{2, 1}
+}
+
+type EntityProto_Kind int32
+
+const (
+	EntityProto_GD_CONTACT EntityProto_Kind = 1
+	EntityProto_GD_EVENT   EntityProto_Kind = 2
+	EntityProto_GD_MESSAGE EntityProto_Kind = 3
+)
+
+var EntityProto_Kind_name = map[int32]string{
+	1: "GD_CONTACT",
+	2: "GD_EVENT",
+	3: "GD_MESSAGE",
+}
+var EntityProto_Kind_value = map[string]int32{
+	"GD_CONTACT": 1,
+	"GD_EVENT":   2,
+	"GD_MESSAGE": 3,
+}
+
+func (x EntityProto_Kind) Enum() *EntityProto_Kind {
+	p := new(EntityProto_Kind)
+	*p = x
+	return p
+}
+func (x EntityProto_Kind) String() string {
+	return proto.EnumName(EntityProto_Kind_name, int32(x))
+}
+func (x *EntityProto_Kind) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(EntityProto_Kind_value, data, "EntityProto_Kind")
+	if err != nil {
+		return err
+	}
+	*x = EntityProto_Kind(value)
+	return nil
+}
+func (EntityProto_Kind) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{6, 0}
+}
+
+type Index_Property_Direction int32
+
+const (
+	Index_Property_ASCENDING  Index_Property_Direction = 1
+	Index_Property_DESCENDING Index_Property_Direction = 2
+)
+
+var Index_Property_Direction_name = map[int32]string{
+	1: "ASCENDING",
+	2: "DESCENDING",
+}
+var Index_Property_Direction_value = map[string]int32{
+	"ASCENDING":  1,
+	"DESCENDING": 2,
+}
+
+func (x Index_Property_Direction) Enum() *Index_Property_Direction {
+	p := new(Index_Property_Direction)
+	*p = x
+	return p
+}
+func (x Index_Property_Direction) String() string {
+	return proto.EnumName(Index_Property_Direction_name, int32(x))
+}
+func (x *Index_Property_Direction) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(Index_Property_Direction_value, data, "Index_Property_Direction")
+	if err != nil {
+		return err
+	}
+	*x = Index_Property_Direction(value)
+	return nil
+}
+func (Index_Property_Direction) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{8, 0, 0}
+}
+
+type CompositeIndex_State int32
+
+const (
+	CompositeIndex_WRITE_ONLY CompositeIndex_State = 1
+	CompositeIndex_READ_WRITE CompositeIndex_State = 2
+	CompositeIndex_DELETED    CompositeIndex_State = 3
+	CompositeIndex_ERROR      CompositeIndex_State = 4
+)
+
+var CompositeIndex_State_name = map[int32]string{
+	1: "WRITE_ONLY",
+	2: "READ_WRITE",
+	3: "DELETED",
+	4: "ERROR",
+}
+var CompositeIndex_State_value = map[string]int32{
+	"WRITE_ONLY": 1,
+	"READ_WRITE": 2,
+	"DELETED":    3,
+	"ERROR":      4,
+}
+
+func (x CompositeIndex_State) Enum() *CompositeIndex_State {
+	p := new(CompositeIndex_State)
+	*p = x
+	return p
+}
+func (x CompositeIndex_State) String() string {
+	return proto.EnumName(CompositeIndex_State_name, int32(x))
+}
+func (x *CompositeIndex_State) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(CompositeIndex_State_value, data, "CompositeIndex_State")
+	if err != nil {
+		return err
+	}
+	*x = CompositeIndex_State(value)
+	return nil
+}
+func (CompositeIndex_State) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{9, 0}
+}
+
+type Snapshot_Status int32
+
+const (
+	Snapshot_INACTIVE Snapshot_Status = 0
+	Snapshot_ACTIVE   Snapshot_Status = 1
+)
+
+var Snapshot_Status_name = map[int32]string{
+	0: "INACTIVE",
+	1: "ACTIVE",
+}
+var Snapshot_Status_value = map[string]int32{
+	"INACTIVE": 0,
+	"ACTIVE":   1,
+}
+
+func (x Snapshot_Status) Enum() *Snapshot_Status {
+	p := new(Snapshot_Status)
+	*p = x
+	return p
+}
+func (x Snapshot_Status) String() string {
+	return proto.EnumName(Snapshot_Status_name, int32(x))
+}
+func (x *Snapshot_Status) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(Snapshot_Status_value, data, "Snapshot_Status")
+	if err != nil {
+		return err
+	}
+	*x = Snapshot_Status(value)
+	return nil
+}
+func (Snapshot_Status) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{12, 0}
+}
+
+type Query_Hint int32
+
+const (
+	Query_ORDER_FIRST    Query_Hint = 1
+	Query_ANCESTOR_FIRST Query_Hint = 2
+	Query_FILTER_FIRST   Query_Hint = 3
+)
+
+var Query_Hint_name = map[int32]string{
+	1: "ORDER_FIRST",
+	2: "ANCESTOR_FIRST",
+	3: "FILTER_FIRST",
+}
+var Query_Hint_value = map[string]int32{
+	"ORDER_FIRST":    1,
+	"ANCESTOR_FIRST": 2,
+	"FILTER_FIRST":   3,
+}
+
+func (x Query_Hint) Enum() *Query_Hint {
+	p := new(Query_Hint)
+	*p = x
+	return p
+}
+func (x Query_Hint) String() string {
+	return proto.EnumName(Query_Hint_name, int32(x))
+}
+func (x *Query_Hint) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(Query_Hint_value, data, "Query_Hint")
+	if err != nil {
+		return err
+	}
+	*x = Query_Hint(value)
+	return nil
+}
+func (Query_Hint) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{15, 0}
+}
+
+type Query_Filter_Operator int32
+
+const (
+	Query_Filter_LESS_THAN             Query_Filter_Operator = 1
+	Query_Filter_LESS_THAN_OR_EQUAL    Query_Filter_Operator = 2
+	Query_Filter_GREATER_THAN          Query_Filter_Operator = 3
+	Query_Filter_GREATER_THAN_OR_EQUAL Query_Filter_Operator = 4
+	Query_Filter_EQUAL                 Query_Filter_Operator = 5
+	Query_Filter_IN                    Query_Filter_Operator = 6
+	Query_Filter_EXISTS                Query_Filter_Operator = 7
+)
+
+var Query_Filter_Operator_name = map[int32]string{
+	1: "LESS_THAN",
+	2: "LESS_THAN_OR_EQUAL",
+	3: "GREATER_THAN",
+	4: "GREATER_THAN_OR_EQUAL",
+	5: "EQUAL",
+	6: "IN",
+	7: "EXISTS",
+}
+var Query_Filter_Operator_value = map[string]int32{
+	"LESS_THAN":             1,
+	"LESS_THAN_OR_EQUAL":    2,
+	"GREATER_THAN":          3,
+	"GREATER_THAN_OR_EQUAL": 4,
+	"EQUAL":                 5,
+	"IN":                    6,
+	"EXISTS":                7,
+}
+
+func (x Query_Filter_Operator) Enum() *Query_Filter_Operator {
+	p := new(Query_Filter_Operator)
+	*p = x
+	return p
+}
+func (x Query_Filter_Operator) String() string {
+	return proto.EnumName(Query_Filter_Operator_name, int32(x))
+}
+func (x *Query_Filter_Operator) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(Query_Filter_Operator_value, data, "Query_Filter_Operator")
+	if err != nil {
+		return err
+	}
+	*x = Query_Filter_Operator(value)
+	return nil
+}
+func (Query_Filter_Operator) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{15, 0, 0}
+}
+
+type Query_Order_Direction int32
+
+const (
+	Query_Order_ASCENDING  Query_Order_Direction = 1
+	Query_Order_DESCENDING Query_Order_Direction = 2
+)
+
+var Query_Order_Direction_name = map[int32]string{
+	1: "ASCENDING",
+	2: "DESCENDING",
+}
+var Query_Order_Direction_value = map[string]int32{
+	"ASCENDING":  1,
+	"DESCENDING": 2,
+}
+
+func (x Query_Order_Direction) Enum() *Query_Order_Direction {
+	p := new(Query_Order_Direction)
+	*p = x
+	return p
+}
+func (x Query_Order_Direction) String() string {
+	return proto.EnumName(Query_Order_Direction_name, int32(x))
+}
+func (x *Query_Order_Direction) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(Query_Order_Direction_value, data, "Query_Order_Direction")
+	if err != nil {
+		return err
+	}
+	*x = Query_Order_Direction(value)
+	return nil
+}
+func (Query_Order_Direction) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{15, 1, 0}
+}
+
+type Error_ErrorCode int32
+
+const (
+	Error_BAD_REQUEST                  Error_ErrorCode = 1
+	Error_CONCURRENT_TRANSACTION       Error_ErrorCode = 2
+	Error_INTERNAL_ERROR               Error_ErrorCode = 3
+	Error_NEED_INDEX                   Error_ErrorCode = 4
+	Error_TIMEOUT                      Error_ErrorCode = 5
+	Error_PERMISSION_DENIED            Error_ErrorCode = 6
+	Error_BIGTABLE_ERROR               Error_ErrorCode = 7
+	Error_COMMITTED_BUT_STILL_APPLYING Error_ErrorCode = 8
+	Error_CAPABILITY_DISABLED          Error_ErrorCode = 9
+	Error_TRY_ALTERNATE_BACKEND        Error_ErrorCode = 10
+	Error_SAFE_TIME_TOO_OLD            Error_ErrorCode = 11
+)
+
+var Error_ErrorCode_name = map[int32]string{
+	1:  "BAD_REQUEST",
+	2:  "CONCURRENT_TRANSACTION",
+	3:  "INTERNAL_ERROR",
+	4:  "NEED_INDEX",
+	5:  "TIMEOUT",
+	6:  "PERMISSION_DENIED",
+	7:  "BIGTABLE_ERROR",
+	8:  "COMMITTED_BUT_STILL_APPLYING",
+	9:  "CAPABILITY_DISABLED",
+	10: "TRY_ALTERNATE_BACKEND",
+	11: "SAFE_TIME_TOO_OLD",
+}
+var Error_ErrorCode_value = map[string]int32{
+	"BAD_REQUEST":                  1,
+	"CONCURRENT_TRANSACTION":       2,
+	"INTERNAL_ERROR":               3,
+	"NEED_INDEX":                   4,
+	"TIMEOUT":                      5,
+	"PERMISSION_DENIED":            6,
+	"BIGTABLE_ERROR":               7,
+	"COMMITTED_BUT_STILL_APPLYING": 8,
+	"CAPABILITY_DISABLED":          9,
+	"TRY_ALTERNATE_BACKEND":        10,
+	"SAFE_TIME_TOO_OLD":            11,
+}
+
+func (x Error_ErrorCode) Enum() *Error_ErrorCode {
+	p := new(Error_ErrorCode)
+	*p = x
+	return p
+}
+func (x Error_ErrorCode) String() string {
+	return proto.EnumName(Error_ErrorCode_name, int32(x))
+}
+func (x *Error_ErrorCode) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(Error_ErrorCode_value, data, "Error_ErrorCode")
+	if err != nil {
+		return err
+	}
+	*x = Error_ErrorCode(value)
+	return nil
+}
+func (Error_ErrorCode) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{19, 0}
+}
+
+type PutRequest_AutoIdPolicy int32
+
+const (
+	PutRequest_CURRENT    PutRequest_AutoIdPolicy = 0
+	PutRequest_SEQUENTIAL PutRequest_AutoIdPolicy = 1
+)
+
+var PutRequest_AutoIdPolicy_name = map[int32]string{
+	0: "CURRENT",
+	1: "SEQUENTIAL",
+}
+var PutRequest_AutoIdPolicy_value = map[string]int32{
+	"CURRENT":    0,
+	"SEQUENTIAL": 1,
+}
+
+func (x PutRequest_AutoIdPolicy) Enum() *PutRequest_AutoIdPolicy {
+	p := new(PutRequest_AutoIdPolicy)
+	*p = x
+	return p
+}
+func (x PutRequest_AutoIdPolicy) String() string {
+	return proto.EnumName(PutRequest_AutoIdPolicy_name, int32(x))
+}
+func (x *PutRequest_AutoIdPolicy) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(PutRequest_AutoIdPolicy_value, data, "PutRequest_AutoIdPolicy")
+	if err != nil {
+		return err
+	}
+	*x = PutRequest_AutoIdPolicy(value)
+	return nil
+}
+func (PutRequest_AutoIdPolicy) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{23, 0}
+}
+
+type BeginTransactionRequest_TransactionMode int32
+
+const (
+	BeginTransactionRequest_UNKNOWN    BeginTransactionRequest_TransactionMode = 0
+	BeginTransactionRequest_READ_ONLY  BeginTransactionRequest_TransactionMode = 1
+	BeginTransactionRequest_READ_WRITE BeginTransactionRequest_TransactionMode = 2
+)
+
+var BeginTransactionRequest_TransactionMode_name = map[int32]string{
+	0: "UNKNOWN",
+	1: "READ_ONLY",
+	2: "READ_WRITE",
+}
+var BeginTransactionRequest_TransactionMode_value = map[string]int32{
+	"UNKNOWN":    0,
+	"READ_ONLY":  1,
+	"READ_WRITE": 2,
+}
+
+func (x BeginTransactionRequest_TransactionMode) Enum() *BeginTransactionRequest_TransactionMode {
+	p := new(BeginTransactionRequest_TransactionMode)
+	*p = x
+	return p
+}
+func (x BeginTransactionRequest_TransactionMode) String() string {
+	return proto.EnumName(BeginTransactionRequest_TransactionMode_name, int32(x))
+}
+func (x *BeginTransactionRequest_TransactionMode) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(BeginTransactionRequest_TransactionMode_value, data, "BeginTransactionRequest_TransactionMode")
+	if err != nil {
+		return err
+	}
+	*x = BeginTransactionRequest_TransactionMode(value)
+	return nil
+}
+func (BeginTransactionRequest_TransactionMode) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{36, 0}
+}
+
+type Action struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Action) Reset()         { *m = Action{} }
+func (m *Action) String() string { return proto.CompactTextString(m) }
+func (*Action) ProtoMessage()    {}
+func (*Action) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{0}
+}
+func (m *Action) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Action.Unmarshal(m, b)
+}
+func (m *Action) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Action.Marshal(b, m, deterministic)
+}
+func (dst *Action) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Action.Merge(dst, src)
+}
+func (m *Action) XXX_Size() int {
+	return xxx_messageInfo_Action.Size(m)
+}
+func (m *Action) XXX_DiscardUnknown() {
+	xxx_messageInfo_Action.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Action proto.InternalMessageInfo
+
+type PropertyValue struct {
+	Int64Value           *int64                        `protobuf:"varint,1,opt,name=int64Value" json:"int64Value,omitempty"`
+	BooleanValue         *bool                         `protobuf:"varint,2,opt,name=booleanValue" json:"booleanValue,omitempty"`
+	StringValue          *string                       `protobuf:"bytes,3,opt,name=stringValue" json:"stringValue,omitempty"`
+	DoubleValue          *float64                      `protobuf:"fixed64,4,opt,name=doubleValue" json:"doubleValue,omitempty"`
+	Pointvalue           *PropertyValue_PointValue     `protobuf:"group,5,opt,name=PointValue,json=pointvalue" json:"pointvalue,omitempty"`
+	Uservalue            *PropertyValue_UserValue      `protobuf:"group,8,opt,name=UserValue,json=uservalue" json:"uservalue,omitempty"`
+	Referencevalue       *PropertyValue_ReferenceValue `protobuf:"group,12,opt,name=ReferenceValue,json=referencevalue" json:"referencevalue,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}                      `json:"-"`
+	XXX_unrecognized     []byte                        `json:"-"`
+	XXX_sizecache        int32                         `json:"-"`
+}
+
+func (m *PropertyValue) Reset()         { *m = PropertyValue{} }
+func (m *PropertyValue) String() string { return proto.CompactTextString(m) }
+func (*PropertyValue) ProtoMessage()    {}
+func (*PropertyValue) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{1}
+}
+func (m *PropertyValue) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_PropertyValue.Unmarshal(m, b)
+}
+func (m *PropertyValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_PropertyValue.Marshal(b, m, deterministic)
+}
+func (dst *PropertyValue) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PropertyValue.Merge(dst, src)
+}
+func (m *PropertyValue) XXX_Size() int {
+	return xxx_messageInfo_PropertyValue.Size(m)
+}
+func (m *PropertyValue) XXX_DiscardUnknown() {
+	xxx_messageInfo_PropertyValue.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_PropertyValue proto.InternalMessageInfo
+
+func (m *PropertyValue) GetInt64Value() int64 {
+	if m != nil && m.Int64Value != nil {
+		return *m.Int64Value
+	}
+	return 0
+}
+
+func (m *PropertyValue) GetBooleanValue() bool {
+	if m != nil && m.BooleanValue != nil {
+		return *m.BooleanValue
+	}
+	return false
+}
+
+func (m *PropertyValue) GetStringValue() string {
+	if m != nil && m.StringValue != nil {
+		return *m.StringValue
+	}
+	return ""
+}
+
+func (m *PropertyValue) GetDoubleValue() float64 {
+	if m != nil && m.DoubleValue != nil {
+		return *m.DoubleValue
+	}
+	return 0
+}
+
+func (m *PropertyValue) GetPointvalue() *PropertyValue_PointValue {
+	if m != nil {
+		return m.Pointvalue
+	}
+	return nil
+}
+
+func (m *PropertyValue) GetUservalue() *PropertyValue_UserValue {
+	if m != nil {
+		return m.Uservalue
+	}
+	return nil
+}
+
+func (m *PropertyValue) GetReferencevalue() *PropertyValue_ReferenceValue {
+	if m != nil {
+		return m.Referencevalue
+	}
+	return nil
+}
+
+type PropertyValue_PointValue struct {
+	X                    *float64 `protobuf:"fixed64,6,req,name=x" json:"x,omitempty"`
+	Y                    *float64 `protobuf:"fixed64,7,req,name=y" json:"y,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *PropertyValue_PointValue) Reset()         { *m = PropertyValue_PointValue{} }
+func (m *PropertyValue_PointValue) String() string { return proto.CompactTextString(m) }
+func (*PropertyValue_PointValue) ProtoMessage()    {}
+func (*PropertyValue_PointValue) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{1, 0}
+}
+func (m *PropertyValue_PointValue) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_PropertyValue_PointValue.Unmarshal(m, b)
+}
+func (m *PropertyValue_PointValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_PropertyValue_PointValue.Marshal(b, m, deterministic)
+}
+func (dst *PropertyValue_PointValue) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PropertyValue_PointValue.Merge(dst, src)
+}
+func (m *PropertyValue_PointValue) XXX_Size() int {
+	return xxx_messageInfo_PropertyValue_PointValue.Size(m)
+}
+func (m *PropertyValue_PointValue) XXX_DiscardUnknown() {
+	xxx_messageInfo_PropertyValue_PointValue.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_PropertyValue_PointValue proto.InternalMessageInfo
+
+func (m *PropertyValue_PointValue) GetX() float64 {
+	if m != nil && m.X != nil {
+		return *m.X
+	}
+	return 0
+}
+
+func (m *PropertyValue_PointValue) GetY() float64 {
+	if m != nil && m.Y != nil {
+		return *m.Y
+	}
+	return 0
+}
+
+type PropertyValue_UserValue struct {
+	Email                *string  `protobuf:"bytes,9,req,name=email" json:"email,omitempty"`
+	AuthDomain           *string  `protobuf:"bytes,10,req,name=auth_domain,json=authDomain" json:"auth_domain,omitempty"`
+	Nickname             *string  `protobuf:"bytes,11,opt,name=nickname" json:"nickname,omitempty"`
+	FederatedIdentity    *string  `protobuf:"bytes,21,opt,name=federated_identity,json=federatedIdentity" json:"federated_identity,omitempty"`
+	FederatedProvider    *string  `protobuf:"bytes,22,opt,name=federated_provider,json=federatedProvider" json:"federated_provider,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *PropertyValue_UserValue) Reset()         { *m = PropertyValue_UserValue{} }
+func (m *PropertyValue_UserValue) String() string { return proto.CompactTextString(m) }
+func (*PropertyValue_UserValue) ProtoMessage()    {}
+func (*PropertyValue_UserValue) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{1, 1}
+}
+func (m *PropertyValue_UserValue) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_PropertyValue_UserValue.Unmarshal(m, b)
+}
+func (m *PropertyValue_UserValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_PropertyValue_UserValue.Marshal(b, m, deterministic)
+}
+func (dst *PropertyValue_UserValue) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PropertyValue_UserValue.Merge(dst, src)
+}
+func (m *PropertyValue_UserValue) XXX_Size() int {
+	return xxx_messageInfo_PropertyValue_UserValue.Size(m)
+}
+func (m *PropertyValue_UserValue) XXX_DiscardUnknown() {
+	xxx_messageInfo_PropertyValue_UserValue.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_PropertyValue_UserValue proto.InternalMessageInfo
+
+func (m *PropertyValue_UserValue) GetEmail() string {
+	if m != nil && m.Email != nil {
+		return *m.Email
+	}
+	return ""
+}
+
+func (m *PropertyValue_UserValue) GetAuthDomain() string {
+	if m != nil && m.AuthDomain != nil {
+		return *m.AuthDomain
+	}
+	return ""
+}
+
+func (m *PropertyValue_UserValue) GetNickname() string {
+	if m != nil && m.Nickname != nil {
+		return *m.Nickname
+	}
+	return ""
+}
+
+func (m *PropertyValue_UserValue) GetFederatedIdentity() string {
+	if m != nil && m.FederatedIdentity != nil {
+		return *m.FederatedIdentity
+	}
+	return ""
+}
+
+func (m *PropertyValue_UserValue) GetFederatedProvider() string {
+	if m != nil && m.FederatedProvider != nil {
+		return *m.FederatedProvider
+	}
+	return ""
+}
+
+type PropertyValue_ReferenceValue struct {
+	App                  *string                                     `protobuf:"bytes,13,req,name=app" json:"app,omitempty"`
+	NameSpace            *string                                     `protobuf:"bytes,20,opt,name=name_space,json=nameSpace" json:"name_space,omitempty"`
+	Pathelement          []*PropertyValue_ReferenceValue_PathElement `protobuf:"group,14,rep,name=PathElement,json=pathelement" json:"pathelement,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}                                    `json:"-"`
+	XXX_unrecognized     []byte                                      `json:"-"`
+	XXX_sizecache        int32                                       `json:"-"`
+}
+
+func (m *PropertyValue_ReferenceValue) Reset()         { *m = PropertyValue_ReferenceValue{} }
+func (m *PropertyValue_ReferenceValue) String() string { return proto.CompactTextString(m) }
+func (*PropertyValue_ReferenceValue) ProtoMessage()    {}
+func (*PropertyValue_ReferenceValue) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{1, 2}
+}
+func (m *PropertyValue_ReferenceValue) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_PropertyValue_ReferenceValue.Unmarshal(m, b)
+}
+func (m *PropertyValue_ReferenceValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_PropertyValue_ReferenceValue.Marshal(b, m, deterministic)
+}
+func (dst *PropertyValue_ReferenceValue) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PropertyValue_ReferenceValue.Merge(dst, src)
+}
+func (m *PropertyValue_ReferenceValue) XXX_Size() int {
+	return xxx_messageInfo_PropertyValue_ReferenceValue.Size(m)
+}
+func (m *PropertyValue_ReferenceValue) XXX_DiscardUnknown() {
+	xxx_messageInfo_PropertyValue_ReferenceValue.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_PropertyValue_ReferenceValue proto.InternalMessageInfo
+
+func (m *PropertyValue_ReferenceValue) GetApp() string {
+	if m != nil && m.App != nil {
+		return *m.App
+	}
+	return ""
+}
+
+func (m *PropertyValue_ReferenceValue) GetNameSpace() string {
+	if m != nil && m.NameSpace != nil {
+		return *m.NameSpace
+	}
+	return ""
+}
+
+func (m *PropertyValue_ReferenceValue) GetPathelement() []*PropertyValue_ReferenceValue_PathElement {
+	if m != nil {
+		return m.Pathelement
+	}
+	return nil
+}
+
+type PropertyValue_ReferenceValue_PathElement struct {
+	Type                 *string  `protobuf:"bytes,15,req,name=type" json:"type,omitempty"`
+	Id                   *int64   `protobuf:"varint,16,opt,name=id" json:"id,omitempty"`
+	Name                 *string  `protobuf:"bytes,17,opt,name=name" json:"name,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *PropertyValue_ReferenceValue_PathElement) Reset() {
+	*m = PropertyValue_ReferenceValue_PathElement{}
+}
+func (m *PropertyValue_ReferenceValue_PathElement) String() string { return proto.CompactTextString(m) }
+func (*PropertyValue_ReferenceValue_PathElement) ProtoMessage()    {}
+func (*PropertyValue_ReferenceValue_PathElement) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{1, 2, 0}
+}
+func (m *PropertyValue_ReferenceValue_PathElement) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_PropertyValue_ReferenceValue_PathElement.Unmarshal(m, b)
+}
+func (m *PropertyValue_ReferenceValue_PathElement) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_PropertyValue_ReferenceValue_PathElement.Marshal(b, m, deterministic)
+}
+func (dst *PropertyValue_ReferenceValue_PathElement) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PropertyValue_ReferenceValue_PathElement.Merge(dst, src)
+}
+func (m *PropertyValue_ReferenceValue_PathElement) XXX_Size() int {
+	return xxx_messageInfo_PropertyValue_ReferenceValue_PathElement.Size(m)
+}
+func (m *PropertyValue_ReferenceValue_PathElement) XXX_DiscardUnknown() {
+	xxx_messageInfo_PropertyValue_ReferenceValue_PathElement.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_PropertyValue_ReferenceValue_PathElement proto.InternalMessageInfo
+
+func (m *PropertyValue_ReferenceValue_PathElement) GetType() string {
+	if m != nil && m.Type != nil {
+		return *m.Type
+	}
+	return ""
+}
+
+func (m *PropertyValue_ReferenceValue_PathElement) GetId() int64 {
+	if m != nil && m.Id != nil {
+		return *m.Id
+	}
+	return 0
+}
+
+func (m *PropertyValue_ReferenceValue_PathElement) GetName() string {
+	if m != nil && m.Name != nil {
+		return *m.Name
+	}
+	return ""
+}
+
+type Property struct {
+	Meaning               *Property_Meaning               `protobuf:"varint,1,opt,name=meaning,enum=appengine.Property_Meaning,def=0" json:"meaning,omitempty"`
+	MeaningUri            *string                         `protobuf:"bytes,2,opt,name=meaning_uri,json=meaningUri" json:"meaning_uri,omitempty"`
+	Name                  *string                         `protobuf:"bytes,3,req,name=name" json:"name,omitempty"`
+	Value                 *PropertyValue                  `protobuf:"bytes,5,req,name=value" json:"value,omitempty"`
+	Multiple              *bool                           `protobuf:"varint,4,req,name=multiple" json:"multiple,omitempty"`
+	Searchable            *bool                           `protobuf:"varint,6,opt,name=searchable,def=0" json:"searchable,omitempty"`
+	FtsTokenizationOption *Property_FtsTokenizationOption `protobuf:"varint,8,opt,name=fts_tokenization_option,json=ftsTokenizationOption,enum=appengine.Property_FtsTokenizationOption" json:"fts_tokenization_option,omitempty"`
+	Locale                *string                         `protobuf:"bytes,9,opt,name=locale,def=en" json:"locale,omitempty"`
+	XXX_NoUnkeyedLiteral  struct{}                        `json:"-"`
+	XXX_unrecognized      []byte                          `json:"-"`
+	XXX_sizecache         int32                           `json:"-"`
+}
+
+func (m *Property) Reset()         { *m = Property{} }
+func (m *Property) String() string { return proto.CompactTextString(m) }
+func (*Property) ProtoMessage()    {}
+func (*Property) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{2}
+}
+func (m *Property) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Property.Unmarshal(m, b)
+}
+func (m *Property) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Property.Marshal(b, m, deterministic)
+}
+func (dst *Property) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Property.Merge(dst, src)
+}
+func (m *Property) XXX_Size() int {
+	return xxx_messageInfo_Property.Size(m)
+}
+func (m *Property) XXX_DiscardUnknown() {
+	xxx_messageInfo_Property.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Property proto.InternalMessageInfo
+
+const Default_Property_Meaning Property_Meaning = Property_NO_MEANING
+const Default_Property_Searchable bool = false
+const Default_Property_Locale string = "en"
+
+func (m *Property) GetMeaning() Property_Meaning {
+	if m != nil && m.Meaning != nil {
+		return *m.Meaning
+	}
+	return Default_Property_Meaning
+}
+
+func (m *Property) GetMeaningUri() string {
+	if m != nil && m.MeaningUri != nil {
+		return *m.MeaningUri
+	}
+	return ""
+}
+
+func (m *Property) GetName() string {
+	if m != nil && m.Name != nil {
+		return *m.Name
+	}
+	return ""
+}
+
+func (m *Property) GetValue() *PropertyValue {
+	if m != nil {
+		return m.Value
+	}
+	return nil
+}
+
+func (m *Property) GetMultiple() bool {
+	if m != nil && m.Multiple != nil {
+		return *m.Multiple
+	}
+	return false
+}
+
+func (m *Property) GetSearchable() bool {
+	if m != nil && m.Searchable != nil {
+		return *m.Searchable
+	}
+	return Default_Property_Searchable
+}
+
+func (m *Property) GetFtsTokenizationOption() Property_FtsTokenizationOption {
+	if m != nil && m.FtsTokenizationOption != nil {
+		return *m.FtsTokenizationOption
+	}
+	return Property_HTML
+}
+
+func (m *Property) GetLocale() string {
+	if m != nil && m.Locale != nil {
+		return *m.Locale
+	}
+	return Default_Property_Locale
+}
+
+type Path struct {
+	Element              []*Path_Element `protobuf:"group,1,rep,name=Element,json=element" json:"element,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}        `json:"-"`
+	XXX_unrecognized     []byte          `json:"-"`
+	XXX_sizecache        int32           `json:"-"`
+}
+
+func (m *Path) Reset()         { *m = Path{} }
+func (m *Path) String() string { return proto.CompactTextString(m) }
+func (*Path) ProtoMessage()    {}
+func (*Path) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{3}
+}
+func (m *Path) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Path.Unmarshal(m, b)
+}
+func (m *Path) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Path.Marshal(b, m, deterministic)
+}
+func (dst *Path) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Path.Merge(dst, src)
+}
+func (m *Path) XXX_Size() int {
+	return xxx_messageInfo_Path.Size(m)
+}
+func (m *Path) XXX_DiscardUnknown() {
+	xxx_messageInfo_Path.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Path proto.InternalMessageInfo
+
+func (m *Path) GetElement() []*Path_Element {
+	if m != nil {
+		return m.Element
+	}
+	return nil
+}
+
+type Path_Element struct {
+	Type                 *string  `protobuf:"bytes,2,req,name=type" json:"type,omitempty"`
+	Id                   *int64   `protobuf:"varint,3,opt,name=id" json:"id,omitempty"`
+	Name                 *string  `protobuf:"bytes,4,opt,name=name" json:"name,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Path_Element) Reset()         { *m = Path_Element{} }
+func (m *Path_Element) String() string { return proto.CompactTextString(m) }
+func (*Path_Element) ProtoMessage()    {}
+func (*Path_Element) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{3, 0}
+}
+func (m *Path_Element) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Path_Element.Unmarshal(m, b)
+}
+func (m *Path_Element) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Path_Element.Marshal(b, m, deterministic)
+}
+func (dst *Path_Element) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Path_Element.Merge(dst, src)
+}
+func (m *Path_Element) XXX_Size() int {
+	return xxx_messageInfo_Path_Element.Size(m)
+}
+func (m *Path_Element) XXX_DiscardUnknown() {
+	xxx_messageInfo_Path_Element.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Path_Element proto.InternalMessageInfo
+
+func (m *Path_Element) GetType() string {
+	if m != nil && m.Type != nil {
+		return *m.Type
+	}
+	return ""
+}
+
+func (m *Path_Element) GetId() int64 {
+	if m != nil && m.Id != nil {
+		return *m.Id
+	}
+	return 0
+}
+
+func (m *Path_Element) GetName() string {
+	if m != nil && m.Name != nil {
+		return *m.Name
+	}
+	return ""
+}
+
+type Reference struct {
+	App                  *string  `protobuf:"bytes,13,req,name=app" json:"app,omitempty"`
+	NameSpace            *string  `protobuf:"bytes,20,opt,name=name_space,json=nameSpace" json:"name_space,omitempty"`
+	Path                 *Path    `protobuf:"bytes,14,req,name=path" json:"path,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Reference) Reset()         { *m = Reference{} }
+func (m *Reference) String() string { return proto.CompactTextString(m) }
+func (*Reference) ProtoMessage()    {}
+func (*Reference) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{4}
+}
+func (m *Reference) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Reference.Unmarshal(m, b)
+}
+func (m *Reference) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Reference.Marshal(b, m, deterministic)
+}
+func (dst *Reference) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Reference.Merge(dst, src)
+}
+func (m *Reference) XXX_Size() int {
+	return xxx_messageInfo_Reference.Size(m)
+}
+func (m *Reference) XXX_DiscardUnknown() {
+	xxx_messageInfo_Reference.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Reference proto.InternalMessageInfo
+
+func (m *Reference) GetApp() string {
+	if m != nil && m.App != nil {
+		return *m.App
+	}
+	return ""
+}
+
+func (m *Reference) GetNameSpace() string {
+	if m != nil && m.NameSpace != nil {
+		return *m.NameSpace
+	}
+	return ""
+}
+
+func (m *Reference) GetPath() *Path {
+	if m != nil {
+		return m.Path
+	}
+	return nil
+}
+
+type User struct {
+	Email                *string  `protobuf:"bytes,1,req,name=email" json:"email,omitempty"`
+	AuthDomain           *string  `protobuf:"bytes,2,req,name=auth_domain,json=authDomain" json:"auth_domain,omitempty"`
+	Nickname             *string  `protobuf:"bytes,3,opt,name=nickname" json:"nickname,omitempty"`
+	FederatedIdentity    *string  `protobuf:"bytes,6,opt,name=federated_identity,json=federatedIdentity" json:"federated_identity,omitempty"`
+	FederatedProvider    *string  `protobuf:"bytes,7,opt,name=federated_provider,json=federatedProvider" json:"federated_provider,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *User) Reset()         { *m = User{} }
+func (m *User) String() string { return proto.CompactTextString(m) }
+func (*User) ProtoMessage()    {}
+func (*User) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{5}
+}
+func (m *User) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_User.Unmarshal(m, b)
+}
+func (m *User) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_User.Marshal(b, m, deterministic)
+}
+func (dst *User) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_User.Merge(dst, src)
+}
+func (m *User) XXX_Size() int {
+	return xxx_messageInfo_User.Size(m)
+}
+func (m *User) XXX_DiscardUnknown() {
+	xxx_messageInfo_User.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_User proto.InternalMessageInfo
+
+func (m *User) GetEmail() string {
+	if m != nil && m.Email != nil {
+		return *m.Email
+	}
+	return ""
+}
+
+func (m *User) GetAuthDomain() string {
+	if m != nil && m.AuthDomain != nil {
+		return *m.AuthDomain
+	}
+	return ""
+}
+
+func (m *User) GetNickname() string {
+	if m != nil && m.Nickname != nil {
+		return *m.Nickname
+	}
+	return ""
+}
+
+func (m *User) GetFederatedIdentity() string {
+	if m != nil && m.FederatedIdentity != nil {
+		return *m.FederatedIdentity
+	}
+	return ""
+}
+
+func (m *User) GetFederatedProvider() string {
+	if m != nil && m.FederatedProvider != nil {
+		return *m.FederatedProvider
+	}
+	return ""
+}
+
+type EntityProto struct {
+	Key                  *Reference        `protobuf:"bytes,13,req,name=key" json:"key,omitempty"`
+	EntityGroup          *Path             `protobuf:"bytes,16,req,name=entity_group,json=entityGroup" json:"entity_group,omitempty"`
+	Owner                *User             `protobuf:"bytes,17,opt,name=owner" json:"owner,omitempty"`
+	Kind                 *EntityProto_Kind `protobuf:"varint,4,opt,name=kind,enum=appengine.EntityProto_Kind" json:"kind,omitempty"`
+	KindUri              *string           `protobuf:"bytes,5,opt,name=kind_uri,json=kindUri" json:"kind_uri,omitempty"`
+	Property             []*Property       `protobuf:"bytes,14,rep,name=property" json:"property,omitempty"`
+	RawProperty          []*Property       `protobuf:"bytes,15,rep,name=raw_property,json=rawProperty" json:"raw_property,omitempty"`
+	Rank                 *int32            `protobuf:"varint,18,opt,name=rank" json:"rank,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
+	XXX_unrecognized     []byte            `json:"-"`
+	XXX_sizecache        int32             `json:"-"`
+}
+
+func (m *EntityProto) Reset()         { *m = EntityProto{} }
+func (m *EntityProto) String() string { return proto.CompactTextString(m) }
+func (*EntityProto) ProtoMessage()    {}
+func (*EntityProto) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{6}
+}
+func (m *EntityProto) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_EntityProto.Unmarshal(m, b)
+}
+func (m *EntityProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_EntityProto.Marshal(b, m, deterministic)
+}
+func (dst *EntityProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EntityProto.Merge(dst, src)
+}
+func (m *EntityProto) XXX_Size() int {
+	return xxx_messageInfo_EntityProto.Size(m)
+}
+func (m *EntityProto) XXX_DiscardUnknown() {
+	xxx_messageInfo_EntityProto.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_EntityProto proto.InternalMessageInfo
+
+func (m *EntityProto) GetKey() *Reference {
+	if m != nil {
+		return m.Key
+	}
+	return nil
+}
+
+func (m *EntityProto) GetEntityGroup() *Path {
+	if m != nil {
+		return m.EntityGroup
+	}
+	return nil
+}
+
+func (m *EntityProto) GetOwner() *User {
+	if m != nil {
+		return m.Owner
+	}
+	return nil
+}
+
+func (m *EntityProto) GetKind() EntityProto_Kind {
+	if m != nil && m.Kind != nil {
+		return *m.Kind
+	}
+	return EntityProto_GD_CONTACT
+}
+
+func (m *EntityProto) GetKindUri() string {
+	if m != nil && m.KindUri != nil {
+		return *m.KindUri
+	}
+	return ""
+}
+
+func (m *EntityProto) GetProperty() []*Property {
+	if m != nil {
+		return m.Property
+	}
+	return nil
+}
+
+func (m *EntityProto) GetRawProperty() []*Property {
+	if m != nil {
+		return m.RawProperty
+	}
+	return nil
+}
+
+func (m *EntityProto) GetRank() int32 {
+	if m != nil && m.Rank != nil {
+		return *m.Rank
+	}
+	return 0
+}
+
+type CompositeProperty struct {
+	IndexId              *int64   `protobuf:"varint,1,req,name=index_id,json=indexId" json:"index_id,omitempty"`
+	Value                []string `protobuf:"bytes,2,rep,name=value" json:"value,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *CompositeProperty) Reset()         { *m = CompositeProperty{} }
+func (m *CompositeProperty) String() string { return proto.CompactTextString(m) }
+func (*CompositeProperty) ProtoMessage()    {}
+func (*CompositeProperty) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{7}
+}
+func (m *CompositeProperty) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_CompositeProperty.Unmarshal(m, b)
+}
+func (m *CompositeProperty) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_CompositeProperty.Marshal(b, m, deterministic)
+}
+func (dst *CompositeProperty) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CompositeProperty.Merge(dst, src)
+}
+func (m *CompositeProperty) XXX_Size() int {
+	return xxx_messageInfo_CompositeProperty.Size(m)
+}
+func (m *CompositeProperty) XXX_DiscardUnknown() {
+	xxx_messageInfo_CompositeProperty.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CompositeProperty proto.InternalMessageInfo
+
+func (m *CompositeProperty) GetIndexId() int64 {
+	if m != nil && m.IndexId != nil {
+		return *m.IndexId
+	}
+	return 0
+}
+
+func (m *CompositeProperty) GetValue() []string {
+	if m != nil {
+		return m.Value
+	}
+	return nil
+}
+
+type Index struct {
+	EntityType           *string           `protobuf:"bytes,1,req,name=entity_type,json=entityType" json:"entity_type,omitempty"`
+	Ancestor             *bool             `protobuf:"varint,5,req,name=ancestor" json:"ancestor,omitempty"`
+	Property             []*Index_Property `protobuf:"group,2,rep,name=Property,json=property" json:"property,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
+	XXX_unrecognized     []byte            `json:"-"`
+	XXX_sizecache        int32             `json:"-"`
+}
+
+func (m *Index) Reset()         { *m = Index{} }
+func (m *Index) String() string { return proto.CompactTextString(m) }
+func (*Index) ProtoMessage()    {}
+func (*Index) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{8}
+}
+func (m *Index) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Index.Unmarshal(m, b)
+}
+func (m *Index) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Index.Marshal(b, m, deterministic)
+}
+func (dst *Index) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Index.Merge(dst, src)
+}
+func (m *Index) XXX_Size() int {
+	return xxx_messageInfo_Index.Size(m)
+}
+func (m *Index) XXX_DiscardUnknown() {
+	xxx_messageInfo_Index.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Index proto.InternalMessageInfo
+
+func (m *Index) GetEntityType() string {
+	if m != nil && m.EntityType != nil {
+		return *m.EntityType
+	}
+	return ""
+}
+
+func (m *Index) GetAncestor() bool {
+	if m != nil && m.Ancestor != nil {
+		return *m.Ancestor
+	}
+	return false
+}
+
+func (m *Index) GetProperty() []*Index_Property {
+	if m != nil {
+		return m.Property
+	}
+	return nil
+}
+
+type Index_Property struct {
+	Name                 *string                   `protobuf:"bytes,3,req,name=name" json:"name,omitempty"`
+	Direction            *Index_Property_Direction `protobuf:"varint,4,opt,name=direction,enum=appengine.Index_Property_Direction,def=1" json:"direction,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}                  `json:"-"`
+	XXX_unrecognized     []byte                    `json:"-"`
+	XXX_sizecache        int32                     `json:"-"`
+}
+
+func (m *Index_Property) Reset()         { *m = Index_Property{} }
+func (m *Index_Property) String() string { return proto.CompactTextString(m) }
+func (*Index_Property) ProtoMessage()    {}
+func (*Index_Property) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{8, 0}
+}
+func (m *Index_Property) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Index_Property.Unmarshal(m, b)
+}
+func (m *Index_Property) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Index_Property.Marshal(b, m, deterministic)
+}
+func (dst *Index_Property) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Index_Property.Merge(dst, src)
+}
+func (m *Index_Property) XXX_Size() int {
+	return xxx_messageInfo_Index_Property.Size(m)
+}
+func (m *Index_Property) XXX_DiscardUnknown() {
+	xxx_messageInfo_Index_Property.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Index_Property proto.InternalMessageInfo
+
+const Default_Index_Property_Direction Index_Property_Direction = Index_Property_ASCENDING
+
+func (m *Index_Property) GetName() string {
+	if m != nil && m.Name != nil {
+		return *m.Name
+	}
+	return ""
+}
+
+func (m *Index_Property) GetDirection() Index_Property_Direction {
+	if m != nil && m.Direction != nil {
+		return *m.Direction
+	}
+	return Default_Index_Property_Direction
+}
+
+type CompositeIndex struct {
+	AppId                *string               `protobuf:"bytes,1,req,name=app_id,json=appId" json:"app_id,omitempty"`
+	Id                   *int64                `protobuf:"varint,2,req,name=id" json:"id,omitempty"`
+	Definition           *Index                `protobuf:"bytes,3,req,name=definition" json:"definition,omitempty"`
+	State                *CompositeIndex_State `protobuf:"varint,4,req,name=state,enum=appengine.CompositeIndex_State" json:"state,omitempty"`
+	OnlyUseIfRequired    *bool                 `protobuf:"varint,6,opt,name=only_use_if_required,json=onlyUseIfRequired,def=0" json:"only_use_if_required,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}              `json:"-"`
+	XXX_unrecognized     []byte                `json:"-"`
+	XXX_sizecache        int32                 `json:"-"`
+}
+
+func (m *CompositeIndex) Reset()         { *m = CompositeIndex{} }
+func (m *CompositeIndex) String() string { return proto.CompactTextString(m) }
+func (*CompositeIndex) ProtoMessage()    {}
+func (*CompositeIndex) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{9}
+}
+func (m *CompositeIndex) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_CompositeIndex.Unmarshal(m, b)
+}
+func (m *CompositeIndex) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_CompositeIndex.Marshal(b, m, deterministic)
+}
+func (dst *CompositeIndex) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CompositeIndex.Merge(dst, src)
+}
+func (m *CompositeIndex) XXX_Size() int {
+	return xxx_messageInfo_CompositeIndex.Size(m)
+}
+func (m *CompositeIndex) XXX_DiscardUnknown() {
+	xxx_messageInfo_CompositeIndex.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CompositeIndex proto.InternalMessageInfo
+
+const Default_CompositeIndex_OnlyUseIfRequired bool = false
+
+func (m *CompositeIndex) GetAppId() string {
+	if m != nil && m.AppId != nil {
+		return *m.AppId
+	}
+	return ""
+}
+
+func (m *CompositeIndex) GetId() int64 {
+	if m != nil && m.Id != nil {
+		return *m.Id
+	}
+	return 0
+}
+
+func (m *CompositeIndex) GetDefinition() *Index {
+	if m != nil {
+		return m.Definition
+	}
+	return nil
+}
+
+func (m *CompositeIndex) GetState() CompositeIndex_State {
+	if m != nil && m.State != nil {
+		return *m.State
+	}
+	return CompositeIndex_WRITE_ONLY
+}
+
+func (m *CompositeIndex) GetOnlyUseIfRequired() bool {
+	if m != nil && m.OnlyUseIfRequired != nil {
+		return *m.OnlyUseIfRequired
+	}
+	return Default_CompositeIndex_OnlyUseIfRequired
+}
+
+type IndexPostfix struct {
+	IndexValue           []*IndexPostfix_IndexValue `protobuf:"bytes,1,rep,name=index_value,json=indexValue" json:"index_value,omitempty"`
+	Key                  *Reference                 `protobuf:"bytes,2,opt,name=key" json:"key,omitempty"`
+	Before               *bool                      `protobuf:"varint,3,opt,name=before,def=1" json:"before,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}                   `json:"-"`
+	XXX_unrecognized     []byte                     `json:"-"`
+	XXX_sizecache        int32                      `json:"-"`
+}
+
+func (m *IndexPostfix) Reset()         { *m = IndexPostfix{} }
+func (m *IndexPostfix) String() string { return proto.CompactTextString(m) }
+func (*IndexPostfix) ProtoMessage()    {}
+func (*IndexPostfix) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{10}
+}
+func (m *IndexPostfix) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_IndexPostfix.Unmarshal(m, b)
+}
+func (m *IndexPostfix) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_IndexPostfix.Marshal(b, m, deterministic)
+}
+func (dst *IndexPostfix) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_IndexPostfix.Merge(dst, src)
+}
+func (m *IndexPostfix) XXX_Size() int {
+	return xxx_messageInfo_IndexPostfix.Size(m)
+}
+func (m *IndexPostfix) XXX_DiscardUnknown() {
+	xxx_messageInfo_IndexPostfix.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_IndexPostfix proto.InternalMessageInfo
+
+const Default_IndexPostfix_Before bool = true
+
+func (m *IndexPostfix) GetIndexValue() []*IndexPostfix_IndexValue {
+	if m != nil {
+		return m.IndexValue
+	}
+	return nil
+}
+
+func (m *IndexPostfix) GetKey() *Reference {
+	if m != nil {
+		return m.Key
+	}
+	return nil
+}
+
+func (m *IndexPostfix) GetBefore() bool {
+	if m != nil && m.Before != nil {
+		return *m.Before
+	}
+	return Default_IndexPostfix_Before
+}
+
+type IndexPostfix_IndexValue struct {
+	PropertyName         *string        `protobuf:"bytes,1,req,name=property_name,json=propertyName" json:"property_name,omitempty"`
+	Value                *PropertyValue `protobuf:"bytes,2,req,name=value" json:"value,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}       `json:"-"`
+	XXX_unrecognized     []byte         `json:"-"`
+	XXX_sizecache        int32          `json:"-"`
+}
+
+func (m *IndexPostfix_IndexValue) Reset()         { *m = IndexPostfix_IndexValue{} }
+func (m *IndexPostfix_IndexValue) String() string { return proto.CompactTextString(m) }
+func (*IndexPostfix_IndexValue) ProtoMessage()    {}
+func (*IndexPostfix_IndexValue) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{10, 0}
+}
+func (m *IndexPostfix_IndexValue) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_IndexPostfix_IndexValue.Unmarshal(m, b)
+}
+func (m *IndexPostfix_IndexValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_IndexPostfix_IndexValue.Marshal(b, m, deterministic)
+}
+func (dst *IndexPostfix_IndexValue) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_IndexPostfix_IndexValue.Merge(dst, src)
+}
+func (m *IndexPostfix_IndexValue) XXX_Size() int {
+	return xxx_messageInfo_IndexPostfix_IndexValue.Size(m)
+}
+func (m *IndexPostfix_IndexValue) XXX_DiscardUnknown() {
+	xxx_messageInfo_IndexPostfix_IndexValue.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_IndexPostfix_IndexValue proto.InternalMessageInfo
+
+func (m *IndexPostfix_IndexValue) GetPropertyName() string {
+	if m != nil && m.PropertyName != nil {
+		return *m.PropertyName
+	}
+	return ""
+}
+
+func (m *IndexPostfix_IndexValue) GetValue() *PropertyValue {
+	if m != nil {
+		return m.Value
+	}
+	return nil
+}
+
+type IndexPosition struct {
+	Key                  *string  `protobuf:"bytes,1,opt,name=key" json:"key,omitempty"`
+	Before               *bool    `protobuf:"varint,2,opt,name=before,def=1" json:"before,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *IndexPosition) Reset()         { *m = IndexPosition{} }
+func (m *IndexPosition) String() string { return proto.CompactTextString(m) }
+func (*IndexPosition) ProtoMessage()    {}
+func (*IndexPosition) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{11}
+}
+func (m *IndexPosition) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_IndexPosition.Unmarshal(m, b)
+}
+func (m *IndexPosition) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_IndexPosition.Marshal(b, m, deterministic)
+}
+func (dst *IndexPosition) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_IndexPosition.Merge(dst, src)
+}
+func (m *IndexPosition) XXX_Size() int {
+	return xxx_messageInfo_IndexPosition.Size(m)
+}
+func (m *IndexPosition) XXX_DiscardUnknown() {
+	xxx_messageInfo_IndexPosition.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_IndexPosition proto.InternalMessageInfo
+
+const Default_IndexPosition_Before bool = true
+
+func (m *IndexPosition) GetKey() string {
+	if m != nil && m.Key != nil {
+		return *m.Key
+	}
+	return ""
+}
+
+func (m *IndexPosition) GetBefore() bool {
+	if m != nil && m.Before != nil {
+		return *m.Before
+	}
+	return Default_IndexPosition_Before
+}
+
+type Snapshot struct {
+	Ts                   *int64   `protobuf:"varint,1,req,name=ts" json:"ts,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Snapshot) Reset()         { *m = Snapshot{} }
+func (m *Snapshot) String() string { return proto.CompactTextString(m) }
+func (*Snapshot) ProtoMessage()    {}
+func (*Snapshot) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{12}
+}
+func (m *Snapshot) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Snapshot.Unmarshal(m, b)
+}
+func (m *Snapshot) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Snapshot.Marshal(b, m, deterministic)
+}
+func (dst *Snapshot) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Snapshot.Merge(dst, src)
+}
+func (m *Snapshot) XXX_Size() int {
+	return xxx_messageInfo_Snapshot.Size(m)
+}
+func (m *Snapshot) XXX_DiscardUnknown() {
+	xxx_messageInfo_Snapshot.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Snapshot proto.InternalMessageInfo
+
+func (m *Snapshot) GetTs() int64 {
+	if m != nil && m.Ts != nil {
+		return *m.Ts
+	}
+	return 0
+}
+
+type InternalHeader struct {
+	Qos                  *string  `protobuf:"bytes,1,opt,name=qos" json:"qos,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *InternalHeader) Reset()         { *m = InternalHeader{} }
+func (m *InternalHeader) String() string { return proto.CompactTextString(m) }
+func (*InternalHeader) ProtoMessage()    {}
+func (*InternalHeader) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{13}
+}
+func (m *InternalHeader) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_InternalHeader.Unmarshal(m, b)
+}
+func (m *InternalHeader) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_InternalHeader.Marshal(b, m, deterministic)
+}
+func (dst *InternalHeader) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_InternalHeader.Merge(dst, src)
+}
+func (m *InternalHeader) XXX_Size() int {
+	return xxx_messageInfo_InternalHeader.Size(m)
+}
+func (m *InternalHeader) XXX_DiscardUnknown() {
+	xxx_messageInfo_InternalHeader.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_InternalHeader proto.InternalMessageInfo
+
+func (m *InternalHeader) GetQos() string {
+	if m != nil && m.Qos != nil {
+		return *m.Qos
+	}
+	return ""
+}
+
+type Transaction struct {
+	Header               *InternalHeader `protobuf:"bytes,4,opt,name=header" json:"header,omitempty"`
+	Handle               *uint64         `protobuf:"fixed64,1,req,name=handle" json:"handle,omitempty"`
+	App                  *string         `protobuf:"bytes,2,req,name=app" json:"app,omitempty"`
+	MarkChanges          *bool           `protobuf:"varint,3,opt,name=mark_changes,json=markChanges,def=0" json:"mark_changes,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}        `json:"-"`
+	XXX_unrecognized     []byte          `json:"-"`
+	XXX_sizecache        int32           `json:"-"`
+}
+
+func (m *Transaction) Reset()         { *m = Transaction{} }
+func (m *Transaction) String() string { return proto.CompactTextString(m) }
+func (*Transaction) ProtoMessage()    {}
+func (*Transaction) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{14}
+}
+func (m *Transaction) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Transaction.Unmarshal(m, b)
+}
+func (m *Transaction) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Transaction.Marshal(b, m, deterministic)
+}
+func (dst *Transaction) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Transaction.Merge(dst, src)
+}
+func (m *Transaction) XXX_Size() int {
+	return xxx_messageInfo_Transaction.Size(m)
+}
+func (m *Transaction) XXX_DiscardUnknown() {
+	xxx_messageInfo_Transaction.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Transaction proto.InternalMessageInfo
+
+const Default_Transaction_MarkChanges bool = false
+
+func (m *Transaction) GetHeader() *InternalHeader {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+func (m *Transaction) GetHandle() uint64 {
+	if m != nil && m.Handle != nil {
+		return *m.Handle
+	}
+	return 0
+}
+
+func (m *Transaction) GetApp() string {
+	if m != nil && m.App != nil {
+		return *m.App
+	}
+	return ""
+}
+
+func (m *Transaction) GetMarkChanges() bool {
+	if m != nil && m.MarkChanges != nil {
+		return *m.MarkChanges
+	}
+	return Default_Transaction_MarkChanges
+}
+
+type Query struct {
+	Header               *InternalHeader   `protobuf:"bytes,39,opt,name=header" json:"header,omitempty"`
+	App                  *string           `protobuf:"bytes,1,req,name=app" json:"app,omitempty"`
+	NameSpace            *string           `protobuf:"bytes,29,opt,name=name_space,json=nameSpace" json:"name_space,omitempty"`
+	Kind                 *string           `protobuf:"bytes,3,opt,name=kind" json:"kind,omitempty"`
+	Ancestor             *Reference        `protobuf:"bytes,17,opt,name=ancestor" json:"ancestor,omitempty"`
+	Filter               []*Query_Filter   `protobuf:"group,4,rep,name=Filter,json=filter" json:"filter,omitempty"`
+	SearchQuery          *string           `protobuf:"bytes,8,opt,name=search_query,json=searchQuery" json:"search_query,omitempty"`
+	Order                []*Query_Order    `protobuf:"group,9,rep,name=Order,json=order" json:"order,omitempty"`
+	Hint                 *Query_Hint       `protobuf:"varint,18,opt,name=hint,enum=appengine.Query_Hint" json:"hint,omitempty"`
+	Count                *int32            `protobuf:"varint,23,opt,name=count" json:"count,omitempty"`
+	Offset               *int32            `protobuf:"varint,12,opt,name=offset,def=0" json:"offset,omitempty"`
+	Limit                *int32            `protobuf:"varint,16,opt,name=limit" json:"limit,omitempty"`
+	CompiledCursor       *CompiledCursor   `protobuf:"bytes,30,opt,name=compiled_cursor,json=compiledCursor" json:"compiled_cursor,omitempty"`
+	EndCompiledCursor    *CompiledCursor   `protobuf:"bytes,31,opt,name=end_compiled_cursor,json=endCompiledCursor" json:"end_compiled_cursor,omitempty"`
+	CompositeIndex       []*CompositeIndex `protobuf:"bytes,19,rep,name=composite_index,json=compositeIndex" json:"composite_index,omitempty"`
+	RequirePerfectPlan   *bool             `protobuf:"varint,20,opt,name=require_perfect_plan,json=requirePerfectPlan,def=0" json:"require_perfect_plan,omitempty"`
+	KeysOnly             *bool             `protobuf:"varint,21,opt,name=keys_only,json=keysOnly,def=0" json:"keys_only,omitempty"`
+	Transaction          *Transaction      `protobuf:"bytes,22,opt,name=transaction" json:"transaction,omitempty"`
+	Compile              *bool             `protobuf:"varint,25,opt,name=compile,def=0" json:"compile,omitempty"`
+	FailoverMs           *int64            `protobuf:"varint,26,opt,name=failover_ms,json=failoverMs" json:"failover_ms,omitempty"`
+	Strong               *bool             `protobuf:"varint,32,opt,name=strong" json:"strong,omitempty"`
+	PropertyName         []string          `protobuf:"bytes,33,rep,name=property_name,json=propertyName" json:"property_name,omitempty"`
+	GroupByPropertyName  []string          `protobuf:"bytes,34,rep,name=group_by_property_name,json=groupByPropertyName" json:"group_by_property_name,omitempty"`
+	Distinct             *bool             `protobuf:"varint,24,opt,name=distinct" json:"distinct,omitempty"`
+	MinSafeTimeSeconds   *int64            `protobuf:"varint,35,opt,name=min_safe_time_seconds,json=minSafeTimeSeconds" json:"min_safe_time_seconds,omitempty"`
+	SafeReplicaName      []string          `protobuf:"bytes,36,rep,name=safe_replica_name,json=safeReplicaName" json:"safe_replica_name,omitempty"`
+	PersistOffset        *bool             `protobuf:"varint,37,opt,name=persist_offset,json=persistOffset,def=0" json:"persist_offset,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
+	XXX_unrecognized     []byte            `json:"-"`
+	XXX_sizecache        int32             `json:"-"`
+}
+
+func (m *Query) Reset()         { *m = Query{} }
+func (m *Query) String() string { return proto.CompactTextString(m) }
+func (*Query) ProtoMessage()    {}
+func (*Query) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{15}
+}
+func (m *Query) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Query.Unmarshal(m, b)
+}
+func (m *Query) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Query.Marshal(b, m, deterministic)
+}
+func (dst *Query) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Query.Merge(dst, src)
+}
+func (m *Query) XXX_Size() int {
+	return xxx_messageInfo_Query.Size(m)
+}
+func (m *Query) XXX_DiscardUnknown() {
+	xxx_messageInfo_Query.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Query proto.InternalMessageInfo
+
+const Default_Query_Offset int32 = 0
+const Default_Query_RequirePerfectPlan bool = false
+const Default_Query_KeysOnly bool = false
+const Default_Query_Compile bool = false
+const Default_Query_PersistOffset bool = false
+
+func (m *Query) GetHeader() *InternalHeader {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+func (m *Query) GetApp() string {
+	if m != nil && m.App != nil {
+		return *m.App
+	}
+	return ""
+}
+
+func (m *Query) GetNameSpace() string {
+	if m != nil && m.NameSpace != nil {
+		return *m.NameSpace
+	}
+	return ""
+}
+
+func (m *Query) GetKind() string {
+	if m != nil && m.Kind != nil {
+		return *m.Kind
+	}
+	return ""
+}
+
+func (m *Query) GetAncestor() *Reference {
+	if m != nil {
+		return m.Ancestor
+	}
+	return nil
+}
+
+func (m *Query) GetFilter() []*Query_Filter {
+	if m != nil {
+		return m.Filter
+	}
+	return nil
+}
+
+func (m *Query) GetSearchQuery() string {
+	if m != nil && m.SearchQuery != nil {
+		return *m.SearchQuery
+	}
+	return ""
+}
+
+func (m *Query) GetOrder() []*Query_Order {
+	if m != nil {
+		return m.Order
+	}
+	return nil
+}
+
+func (m *Query) GetHint() Query_Hint {
+	if m != nil && m.Hint != nil {
+		return *m.Hint
+	}
+	return Query_ORDER_FIRST
+}
+
+func (m *Query) GetCount() int32 {
+	if m != nil && m.Count != nil {
+		return *m.Count
+	}
+	return 0
+}
+
+func (m *Query) GetOffset() int32 {
+	if m != nil && m.Offset != nil {
+		return *m.Offset
+	}
+	return Default_Query_Offset
+}
+
+func (m *Query) GetLimit() int32 {
+	if m != nil && m.Limit != nil {
+		return *m.Limit
+	}
+	return 0
+}
+
+func (m *Query) GetCompiledCursor() *CompiledCursor {
+	if m != nil {
+		return m.CompiledCursor
+	}
+	return nil
+}
+
+func (m *Query) GetEndCompiledCursor() *CompiledCursor {
+	if m != nil {
+		return m.EndCompiledCursor
+	}
+	return nil
+}
+
+func (m *Query) GetCompositeIndex() []*CompositeIndex {
+	if m != nil {
+		return m.CompositeIndex
+	}
+	return nil
+}
+
+func (m *Query) GetRequirePerfectPlan() bool {
+	if m != nil && m.RequirePerfectPlan != nil {
+		return *m.RequirePerfectPlan
+	}
+	return Default_Query_RequirePerfectPlan
+}
+
+func (m *Query) GetKeysOnly() bool {
+	if m != nil && m.KeysOnly != nil {
+		return *m.KeysOnly
+	}
+	return Default_Query_KeysOnly
+}
+
+func (m *Query) GetTransaction() *Transaction {
+	if m != nil {
+		return m.Transaction
+	}
+	return nil
+}
+
+func (m *Query) GetCompile() bool {
+	if m != nil && m.Compile != nil {
+		return *m.Compile
+	}
+	return Default_Query_Compile
+}
+
+func (m *Query) GetFailoverMs() int64 {
+	if m != nil && m.FailoverMs != nil {
+		return *m.FailoverMs
+	}
+	return 0
+}
+
+func (m *Query) GetStrong() bool {
+	if m != nil && m.Strong != nil {
+		return *m.Strong
+	}
+	return false
+}
+
+func (m *Query) GetPropertyName() []string {
+	if m != nil {
+		return m.PropertyName
+	}
+	return nil
+}
+
+func (m *Query) GetGroupByPropertyName() []string {
+	if m != nil {
+		return m.GroupByPropertyName
+	}
+	return nil
+}
+
+func (m *Query) GetDistinct() bool {
+	if m != nil && m.Distinct != nil {
+		return *m.Distinct
+	}
+	return false
+}
+
+func (m *Query) GetMinSafeTimeSeconds() int64 {
+	if m != nil && m.MinSafeTimeSeconds != nil {
+		return *m.MinSafeTimeSeconds
+	}
+	return 0
+}
+
+func (m *Query) GetSafeReplicaName() []string {
+	if m != nil {
+		return m.SafeReplicaName
+	}
+	return nil
+}
+
+func (m *Query) GetPersistOffset() bool {
+	if m != nil && m.PersistOffset != nil {
+		return *m.PersistOffset
+	}
+	return Default_Query_PersistOffset
+}
+
+type Query_Filter struct {
+	Op                   *Query_Filter_Operator `protobuf:"varint,6,req,name=op,enum=appengine.Query_Filter_Operator" json:"op,omitempty"`
+	Property             []*Property            `protobuf:"bytes,14,rep,name=property" json:"property,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}               `json:"-"`
+	XXX_unrecognized     []byte                 `json:"-"`
+	XXX_sizecache        int32                  `json:"-"`
+}
+
+func (m *Query_Filter) Reset()         { *m = Query_Filter{} }
+func (m *Query_Filter) String() string { return proto.CompactTextString(m) }
+func (*Query_Filter) ProtoMessage()    {}
+func (*Query_Filter) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{15, 0}
+}
+func (m *Query_Filter) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Query_Filter.Unmarshal(m, b)
+}
+func (m *Query_Filter) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Query_Filter.Marshal(b, m, deterministic)
+}
+func (dst *Query_Filter) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Query_Filter.Merge(dst, src)
+}
+func (m *Query_Filter) XXX_Size() int {
+	return xxx_messageInfo_Query_Filter.Size(m)
+}
+func (m *Query_Filter) XXX_DiscardUnknown() {
+	xxx_messageInfo_Query_Filter.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Query_Filter proto.InternalMessageInfo
+
+func (m *Query_Filter) GetOp() Query_Filter_Operator {
+	if m != nil && m.Op != nil {
+		return *m.Op
+	}
+	return Query_Filter_LESS_THAN
+}
+
+func (m *Query_Filter) GetProperty() []*Property {
+	if m != nil {
+		return m.Property
+	}
+	return nil
+}
+
+type Query_Order struct {
+	Property             *string                `protobuf:"bytes,10,req,name=property" json:"property,omitempty"`
+	Direction            *Query_Order_Direction `protobuf:"varint,11,opt,name=direction,enum=appengine.Query_Order_Direction,def=1" json:"direction,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}               `json:"-"`
+	XXX_unrecognized     []byte                 `json:"-"`
+	XXX_sizecache        int32                  `json:"-"`
+}
+
+func (m *Query_Order) Reset()         { *m = Query_Order{} }
+func (m *Query_Order) String() string { return proto.CompactTextString(m) }
+func (*Query_Order) ProtoMessage()    {}
+func (*Query_Order) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{15, 1}
+}
+func (m *Query_Order) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Query_Order.Unmarshal(m, b)
+}
+func (m *Query_Order) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Query_Order.Marshal(b, m, deterministic)
+}
+func (dst *Query_Order) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Query_Order.Merge(dst, src)
+}
+func (m *Query_Order) XXX_Size() int {
+	return xxx_messageInfo_Query_Order.Size(m)
+}
+func (m *Query_Order) XXX_DiscardUnknown() {
+	xxx_messageInfo_Query_Order.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Query_Order proto.InternalMessageInfo
+
+const Default_Query_Order_Direction Query_Order_Direction = Query_Order_ASCENDING
+
+func (m *Query_Order) GetProperty() string {
+	if m != nil && m.Property != nil {
+		return *m.Property
+	}
+	return ""
+}
+
+func (m *Query_Order) GetDirection() Query_Order_Direction {
+	if m != nil && m.Direction != nil {
+		return *m.Direction
+	}
+	return Default_Query_Order_Direction
+}
+
+type CompiledQuery struct {
+	Primaryscan          *CompiledQuery_PrimaryScan     `protobuf:"group,1,req,name=PrimaryScan,json=primaryscan" json:"primaryscan,omitempty"`
+	Mergejoinscan        []*CompiledQuery_MergeJoinScan `protobuf:"group,7,rep,name=MergeJoinScan,json=mergejoinscan" json:"mergejoinscan,omitempty"`
+	IndexDef             *Index                         `protobuf:"bytes,21,opt,name=index_def,json=indexDef" json:"index_def,omitempty"`
+	Offset               *int32                         `protobuf:"varint,10,opt,name=offset,def=0" json:"offset,omitempty"`
+	Limit                *int32                         `protobuf:"varint,11,opt,name=limit" json:"limit,omitempty"`
+	KeysOnly             *bool                          `protobuf:"varint,12,req,name=keys_only,json=keysOnly" json:"keys_only,omitempty"`
+	PropertyName         []string                       `protobuf:"bytes,24,rep,name=property_name,json=propertyName" json:"property_name,omitempty"`
+	DistinctInfixSize    *int32                         `protobuf:"varint,25,opt,name=distinct_infix_size,json=distinctInfixSize" json:"distinct_infix_size,omitempty"`
+	Entityfilter         *CompiledQuery_EntityFilter    `protobuf:"group,13,opt,name=EntityFilter,json=entityfilter" json:"entityfilter,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}                       `json:"-"`
+	XXX_unrecognized     []byte                         `json:"-"`
+	XXX_sizecache        int32                          `json:"-"`
+}
+
+func (m *CompiledQuery) Reset()         { *m = CompiledQuery{} }
+func (m *CompiledQuery) String() string { return proto.CompactTextString(m) }
+func (*CompiledQuery) ProtoMessage()    {}
+func (*CompiledQuery) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{16}
+}
+func (m *CompiledQuery) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_CompiledQuery.Unmarshal(m, b)
+}
+func (m *CompiledQuery) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_CompiledQuery.Marshal(b, m, deterministic)
+}
+func (dst *CompiledQuery) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CompiledQuery.Merge(dst, src)
+}
+func (m *CompiledQuery) XXX_Size() int {
+	return xxx_messageInfo_CompiledQuery.Size(m)
+}
+func (m *CompiledQuery) XXX_DiscardUnknown() {
+	xxx_messageInfo_CompiledQuery.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CompiledQuery proto.InternalMessageInfo
+
+const Default_CompiledQuery_Offset int32 = 0
+
+func (m *CompiledQuery) GetPrimaryscan() *CompiledQuery_PrimaryScan {
+	if m != nil {
+		return m.Primaryscan
+	}
+	return nil
+}
+
+func (m *CompiledQuery) GetMergejoinscan() []*CompiledQuery_MergeJoinScan {
+	if m != nil {
+		return m.Mergejoinscan
+	}
+	return nil
+}
+
+func (m *CompiledQuery) GetIndexDef() *Index {
+	if m != nil {
+		return m.IndexDef
+	}
+	return nil
+}
+
+func (m *CompiledQuery) GetOffset() int32 {
+	if m != nil && m.Offset != nil {
+		return *m.Offset
+	}
+	return Default_CompiledQuery_Offset
+}
+
+func (m *CompiledQuery) GetLimit() int32 {
+	if m != nil && m.Limit != nil {
+		return *m.Limit
+	}
+	return 0
+}
+
+func (m *CompiledQuery) GetKeysOnly() bool {
+	if m != nil && m.KeysOnly != nil {
+		return *m.KeysOnly
+	}
+	return false
+}
+
+func (m *CompiledQuery) GetPropertyName() []string {
+	if m != nil {
+		return m.PropertyName
+	}
+	return nil
+}
+
+func (m *CompiledQuery) GetDistinctInfixSize() int32 {
+	if m != nil && m.DistinctInfixSize != nil {
+		return *m.DistinctInfixSize
+	}
+	return 0
+}
+
+func (m *CompiledQuery) GetEntityfilter() *CompiledQuery_EntityFilter {
+	if m != nil {
+		return m.Entityfilter
+	}
+	return nil
+}
+
+type CompiledQuery_PrimaryScan struct {
+	IndexName                  *string  `protobuf:"bytes,2,opt,name=index_name,json=indexName" json:"index_name,omitempty"`
+	StartKey                   *string  `protobuf:"bytes,3,opt,name=start_key,json=startKey" json:"start_key,omitempty"`
+	StartInclusive             *bool    `protobuf:"varint,4,opt,name=start_inclusive,json=startInclusive" json:"start_inclusive,omitempty"`
+	EndKey                     *string  `protobuf:"bytes,5,opt,name=end_key,json=endKey" json:"end_key,omitempty"`
+	EndInclusive               *bool    `protobuf:"varint,6,opt,name=end_inclusive,json=endInclusive" json:"end_inclusive,omitempty"`
+	StartPostfixValue          []string `protobuf:"bytes,22,rep,name=start_postfix_value,json=startPostfixValue" json:"start_postfix_value,omitempty"`
+	EndPostfixValue            []string `protobuf:"bytes,23,rep,name=end_postfix_value,json=endPostfixValue" json:"end_postfix_value,omitempty"`
+	EndUnappliedLogTimestampUs *int64   `protobuf:"varint,19,opt,name=end_unapplied_log_timestamp_us,json=endUnappliedLogTimestampUs" json:"end_unapplied_log_timestamp_us,omitempty"`
+	XXX_NoUnkeyedLiteral       struct{} `json:"-"`
+	XXX_unrecognized           []byte   `json:"-"`
+	XXX_sizecache              int32    `json:"-"`
+}
+
+func (m *CompiledQuery_PrimaryScan) Reset()         { *m = CompiledQuery_PrimaryScan{} }
+func (m *CompiledQuery_PrimaryScan) String() string { return proto.CompactTextString(m) }
+func (*CompiledQuery_PrimaryScan) ProtoMessage()    {}
+func (*CompiledQuery_PrimaryScan) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{16, 0}
+}
+func (m *CompiledQuery_PrimaryScan) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_CompiledQuery_PrimaryScan.Unmarshal(m, b)
+}
+func (m *CompiledQuery_PrimaryScan) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_CompiledQuery_PrimaryScan.Marshal(b, m, deterministic)
+}
+func (dst *CompiledQuery_PrimaryScan) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CompiledQuery_PrimaryScan.Merge(dst, src)
+}
+func (m *CompiledQuery_PrimaryScan) XXX_Size() int {
+	return xxx_messageInfo_CompiledQuery_PrimaryScan.Size(m)
+}
+func (m *CompiledQuery_PrimaryScan) XXX_DiscardUnknown() {
+	xxx_messageInfo_CompiledQuery_PrimaryScan.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CompiledQuery_PrimaryScan proto.InternalMessageInfo
+
+func (m *CompiledQuery_PrimaryScan) GetIndexName() string {
+	if m != nil && m.IndexName != nil {
+		return *m.IndexName
+	}
+	return ""
+}
+
+func (m *CompiledQuery_PrimaryScan) GetStartKey() string {
+	if m != nil && m.StartKey != nil {
+		return *m.StartKey
+	}
+	return ""
+}
+
+func (m *CompiledQuery_PrimaryScan) GetStartInclusive() bool {
+	if m != nil && m.StartInclusive != nil {
+		return *m.StartInclusive
+	}
+	return false
+}
+
+func (m *CompiledQuery_PrimaryScan) GetEndKey() string {
+	if m != nil && m.EndKey != nil {
+		return *m.EndKey
+	}
+	return ""
+}
+
+func (m *CompiledQuery_PrimaryScan) GetEndInclusive() bool {
+	if m != nil && m.EndInclusive != nil {
+		return *m.EndInclusive
+	}
+	return false
+}
+
+func (m *CompiledQuery_PrimaryScan) GetStartPostfixValue() []string {
+	if m != nil {
+		return m.StartPostfixValue
+	}
+	return nil
+}
+
+func (m *CompiledQuery_PrimaryScan) GetEndPostfixValue() []string {
+	if m != nil {
+		return m.EndPostfixValue
+	}
+	return nil
+}
+
+func (m *CompiledQuery_PrimaryScan) GetEndUnappliedLogTimestampUs() int64 {
+	if m != nil && m.EndUnappliedLogTimestampUs != nil {
+		return *m.EndUnappliedLogTimestampUs
+	}
+	return 0
+}
+
+type CompiledQuery_MergeJoinScan struct {
+	IndexName            *string  `protobuf:"bytes,8,req,name=index_name,json=indexName" json:"index_name,omitempty"`
+	PrefixValue          []string `protobuf:"bytes,9,rep,name=prefix_value,json=prefixValue" json:"prefix_value,omitempty"`
+	ValuePrefix          *bool    `protobuf:"varint,20,opt,name=value_prefix,json=valuePrefix,def=0" json:"value_prefix,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *CompiledQuery_MergeJoinScan) Reset()         { *m = CompiledQuery_MergeJoinScan{} }
+func (m *CompiledQuery_MergeJoinScan) String() string { return proto.CompactTextString(m) }
+func (*CompiledQuery_MergeJoinScan) ProtoMessage()    {}
+func (*CompiledQuery_MergeJoinScan) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{16, 1}
+}
+func (m *CompiledQuery_MergeJoinScan) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_CompiledQuery_MergeJoinScan.Unmarshal(m, b)
+}
+func (m *CompiledQuery_MergeJoinScan) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_CompiledQuery_MergeJoinScan.Marshal(b, m, deterministic)
+}
+func (dst *CompiledQuery_MergeJoinScan) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CompiledQuery_MergeJoinScan.Merge(dst, src)
+}
+func (m *CompiledQuery_MergeJoinScan) XXX_Size() int {
+	return xxx_messageInfo_CompiledQuery_MergeJoinScan.Size(m)
+}
+func (m *CompiledQuery_MergeJoinScan) XXX_DiscardUnknown() {
+	xxx_messageInfo_CompiledQuery_MergeJoinScan.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CompiledQuery_MergeJoinScan proto.InternalMessageInfo
+
+const Default_CompiledQuery_MergeJoinScan_ValuePrefix bool = false
+
+func (m *CompiledQuery_MergeJoinScan) GetIndexName() string {
+	if m != nil && m.IndexName != nil {
+		return *m.IndexName
+	}
+	return ""
+}
+
+func (m *CompiledQuery_MergeJoinScan) GetPrefixValue() []string {
+	if m != nil {
+		return m.PrefixValue
+	}
+	return nil
+}
+
+func (m *CompiledQuery_MergeJoinScan) GetValuePrefix() bool {
+	if m != nil && m.ValuePrefix != nil {
+		return *m.ValuePrefix
+	}
+	return Default_CompiledQuery_MergeJoinScan_ValuePrefix
+}
+
+type CompiledQuery_EntityFilter struct {
+	Distinct             *bool      `protobuf:"varint,14,opt,name=distinct,def=0" json:"distinct,omitempty"`
+	Kind                 *string    `protobuf:"bytes,17,opt,name=kind" json:"kind,omitempty"`
+	Ancestor             *Reference `protobuf:"bytes,18,opt,name=ancestor" json:"ancestor,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}   `json:"-"`
+	XXX_unrecognized     []byte     `json:"-"`
+	XXX_sizecache        int32      `json:"-"`
+}
+
+func (m *CompiledQuery_EntityFilter) Reset()         { *m = CompiledQuery_EntityFilter{} }
+func (m *CompiledQuery_EntityFilter) String() string { return proto.CompactTextString(m) }
+func (*CompiledQuery_EntityFilter) ProtoMessage()    {}
+func (*CompiledQuery_EntityFilter) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{16, 2}
+}
+func (m *CompiledQuery_EntityFilter) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_CompiledQuery_EntityFilter.Unmarshal(m, b)
+}
+func (m *CompiledQuery_EntityFilter) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_CompiledQuery_EntityFilter.Marshal(b, m, deterministic)
+}
+func (dst *CompiledQuery_EntityFilter) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CompiledQuery_EntityFilter.Merge(dst, src)
+}
+func (m *CompiledQuery_EntityFilter) XXX_Size() int {
+	return xxx_messageInfo_CompiledQuery_EntityFilter.Size(m)
+}
+func (m *CompiledQuery_EntityFilter) XXX_DiscardUnknown() {
+	xxx_messageInfo_CompiledQuery_EntityFilter.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CompiledQuery_EntityFilter proto.InternalMessageInfo
+
+const Default_CompiledQuery_EntityFilter_Distinct bool = false
+
+func (m *CompiledQuery_EntityFilter) GetDistinct() bool {
+	if m != nil && m.Distinct != nil {
+		return *m.Distinct
+	}
+	return Default_CompiledQuery_EntityFilter_Distinct
+}
+
+func (m *CompiledQuery_EntityFilter) GetKind() string {
+	if m != nil && m.Kind != nil {
+		return *m.Kind
+	}
+	return ""
+}
+
+func (m *CompiledQuery_EntityFilter) GetAncestor() *Reference {
+	if m != nil {
+		return m.Ancestor
+	}
+	return nil
+}
+
+type CompiledCursor struct {
+	Position             *CompiledCursor_Position `protobuf:"group,2,opt,name=Position,json=position" json:"position,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}                 `json:"-"`
+	XXX_unrecognized     []byte                   `json:"-"`
+	XXX_sizecache        int32                    `json:"-"`
+}
+
+func (m *CompiledCursor) Reset()         { *m = CompiledCursor{} }
+func (m *CompiledCursor) String() string { return proto.CompactTextString(m) }
+func (*CompiledCursor) ProtoMessage()    {}
+func (*CompiledCursor) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{17}
+}
+func (m *CompiledCursor) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_CompiledCursor.Unmarshal(m, b)
+}
+func (m *CompiledCursor) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_CompiledCursor.Marshal(b, m, deterministic)
+}
+func (dst *CompiledCursor) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CompiledCursor.Merge(dst, src)
+}
+func (m *CompiledCursor) XXX_Size() int {
+	return xxx_messageInfo_CompiledCursor.Size(m)
+}
+func (m *CompiledCursor) XXX_DiscardUnknown() {
+	xxx_messageInfo_CompiledCursor.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CompiledCursor proto.InternalMessageInfo
+
+func (m *CompiledCursor) GetPosition() *CompiledCursor_Position {
+	if m != nil {
+		return m.Position
+	}
+	return nil
+}
+
+type CompiledCursor_Position struct {
+	StartKey             *string                               `protobuf:"bytes,27,opt,name=start_key,json=startKey" json:"start_key,omitempty"`
+	Indexvalue           []*CompiledCursor_Position_IndexValue `protobuf:"group,29,rep,name=IndexValue,json=indexvalue" json:"indexvalue,omitempty"`
+	Key                  *Reference                            `protobuf:"bytes,32,opt,name=key" json:"key,omitempty"`
+	StartInclusive       *bool                                 `protobuf:"varint,28,opt,name=start_inclusive,json=startInclusive,def=1" json:"start_inclusive,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}                              `json:"-"`
+	XXX_unrecognized     []byte                                `json:"-"`
+	XXX_sizecache        int32                                 `json:"-"`
+}
+
+func (m *CompiledCursor_Position) Reset()         { *m = CompiledCursor_Position{} }
+func (m *CompiledCursor_Position) String() string { return proto.CompactTextString(m) }
+func (*CompiledCursor_Position) ProtoMessage()    {}
+func (*CompiledCursor_Position) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{17, 0}
+}
+func (m *CompiledCursor_Position) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_CompiledCursor_Position.Unmarshal(m, b)
+}
+func (m *CompiledCursor_Position) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_CompiledCursor_Position.Marshal(b, m, deterministic)
+}
+func (dst *CompiledCursor_Position) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CompiledCursor_Position.Merge(dst, src)
+}
+func (m *CompiledCursor_Position) XXX_Size() int {
+	return xxx_messageInfo_CompiledCursor_Position.Size(m)
+}
+func (m *CompiledCursor_Position) XXX_DiscardUnknown() {
+	xxx_messageInfo_CompiledCursor_Position.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CompiledCursor_Position proto.InternalMessageInfo
+
+const Default_CompiledCursor_Position_StartInclusive bool = true
+
+func (m *CompiledCursor_Position) GetStartKey() string {
+	if m != nil && m.StartKey != nil {
+		return *m.StartKey
+	}
+	return ""
+}
+
+func (m *CompiledCursor_Position) GetIndexvalue() []*CompiledCursor_Position_IndexValue {
+	if m != nil {
+		return m.Indexvalue
+	}
+	return nil
+}
+
+func (m *CompiledCursor_Position) GetKey() *Reference {
+	if m != nil {
+		return m.Key
+	}
+	return nil
+}
+
+func (m *CompiledCursor_Position) GetStartInclusive() bool {
+	if m != nil && m.StartInclusive != nil {
+		return *m.StartInclusive
+	}
+	return Default_CompiledCursor_Position_StartInclusive
+}
+
+type CompiledCursor_Position_IndexValue struct {
+	Property             *string        `protobuf:"bytes,30,opt,name=property" json:"property,omitempty"`
+	Value                *PropertyValue `protobuf:"bytes,31,req,name=value" json:"value,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}       `json:"-"`
+	XXX_unrecognized     []byte         `json:"-"`
+	XXX_sizecache        int32          `json:"-"`
+}
+
+func (m *CompiledCursor_Position_IndexValue) Reset()         { *m = CompiledCursor_Position_IndexValue{} }
+func (m *CompiledCursor_Position_IndexValue) String() string { return proto.CompactTextString(m) }
+func (*CompiledCursor_Position_IndexValue) ProtoMessage()    {}
+func (*CompiledCursor_Position_IndexValue) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{17, 0, 0}
+}
+func (m *CompiledCursor_Position_IndexValue) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_CompiledCursor_Position_IndexValue.Unmarshal(m, b)
+}
+func (m *CompiledCursor_Position_IndexValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_CompiledCursor_Position_IndexValue.Marshal(b, m, deterministic)
+}
+func (dst *CompiledCursor_Position_IndexValue) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CompiledCursor_Position_IndexValue.Merge(dst, src)
+}
+func (m *CompiledCursor_Position_IndexValue) XXX_Size() int {
+	return xxx_messageInfo_CompiledCursor_Position_IndexValue.Size(m)
+}
+func (m *CompiledCursor_Position_IndexValue) XXX_DiscardUnknown() {
+	xxx_messageInfo_CompiledCursor_Position_IndexValue.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CompiledCursor_Position_IndexValue proto.InternalMessageInfo
+
+func (m *CompiledCursor_Position_IndexValue) GetProperty() string {
+	if m != nil && m.Property != nil {
+		return *m.Property
+	}
+	return ""
+}
+
+func (m *CompiledCursor_Position_IndexValue) GetValue() *PropertyValue {
+	if m != nil {
+		return m.Value
+	}
+	return nil
+}
+
+type Cursor struct {
+	Cursor               *uint64  `protobuf:"fixed64,1,req,name=cursor" json:"cursor,omitempty"`
+	App                  *string  `protobuf:"bytes,2,opt,name=app" json:"app,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Cursor) Reset()         { *m = Cursor{} }
+func (m *Cursor) String() string { return proto.CompactTextString(m) }
+func (*Cursor) ProtoMessage()    {}
+func (*Cursor) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{18}
+}
+func (m *Cursor) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Cursor.Unmarshal(m, b)
+}
+func (m *Cursor) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Cursor.Marshal(b, m, deterministic)
+}
+func (dst *Cursor) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Cursor.Merge(dst, src)
+}
+func (m *Cursor) XXX_Size() int {
+	return xxx_messageInfo_Cursor.Size(m)
+}
+func (m *Cursor) XXX_DiscardUnknown() {
+	xxx_messageInfo_Cursor.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Cursor proto.InternalMessageInfo
+
+func (m *Cursor) GetCursor() uint64 {
+	if m != nil && m.Cursor != nil {
+		return *m.Cursor
+	}
+	return 0
+}
+
+func (m *Cursor) GetApp() string {
+	if m != nil && m.App != nil {
+		return *m.App
+	}
+	return ""
+}
+
+type Error struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Error) Reset()         { *m = Error{} }
+func (m *Error) String() string { return proto.CompactTextString(m) }
+func (*Error) ProtoMessage()    {}
+func (*Error) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{19}
+}
+func (m *Error) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Error.Unmarshal(m, b)
+}
+func (m *Error) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Error.Marshal(b, m, deterministic)
+}
+func (dst *Error) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Error.Merge(dst, src)
+}
+func (m *Error) XXX_Size() int {
+	return xxx_messageInfo_Error.Size(m)
+}
+func (m *Error) XXX_DiscardUnknown() {
+	xxx_messageInfo_Error.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Error proto.InternalMessageInfo
+
+type Cost struct {
+	IndexWrites             *int32           `protobuf:"varint,1,opt,name=index_writes,json=indexWrites" json:"index_writes,omitempty"`
+	IndexWriteBytes         *int32           `protobuf:"varint,2,opt,name=index_write_bytes,json=indexWriteBytes" json:"index_write_bytes,omitempty"`
+	EntityWrites            *int32           `protobuf:"varint,3,opt,name=entity_writes,json=entityWrites" json:"entity_writes,omitempty"`
+	EntityWriteBytes        *int32           `protobuf:"varint,4,opt,name=entity_write_bytes,json=entityWriteBytes" json:"entity_write_bytes,omitempty"`
+	Commitcost              *Cost_CommitCost `protobuf:"group,5,opt,name=CommitCost,json=commitcost" json:"commitcost,omitempty"`
+	ApproximateStorageDelta *int32           `protobuf:"varint,8,opt,name=approximate_storage_delta,json=approximateStorageDelta" json:"approximate_storage_delta,omitempty"`
+	IdSequenceUpdates       *int32           `protobuf:"varint,9,opt,name=id_sequence_updates,json=idSequenceUpdates" json:"id_sequence_updates,omitempty"`
+	XXX_NoUnkeyedLiteral    struct{}         `json:"-"`
+	XXX_unrecognized        []byte           `json:"-"`
+	XXX_sizecache           int32            `json:"-"`
+}
+
+func (m *Cost) Reset()         { *m = Cost{} }
+func (m *Cost) String() string { return proto.CompactTextString(m) }
+func (*Cost) ProtoMessage()    {}
+func (*Cost) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{20}
+}
+func (m *Cost) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Cost.Unmarshal(m, b)
+}
+func (m *Cost) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Cost.Marshal(b, m, deterministic)
+}
+func (dst *Cost) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Cost.Merge(dst, src)
+}
+func (m *Cost) XXX_Size() int {
+	return xxx_messageInfo_Cost.Size(m)
+}
+func (m *Cost) XXX_DiscardUnknown() {
+	xxx_messageInfo_Cost.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Cost proto.InternalMessageInfo
+
+func (m *Cost) GetIndexWrites() int32 {
+	if m != nil && m.IndexWrites != nil {
+		return *m.IndexWrites
+	}
+	return 0
+}
+
+func (m *Cost) GetIndexWriteBytes() int32 {
+	if m != nil && m.IndexWriteBytes != nil {
+		return *m.IndexWriteBytes
+	}
+	return 0
+}
+
+func (m *Cost) GetEntityWrites() int32 {
+	if m != nil && m.EntityWrites != nil {
+		return *m.EntityWrites
+	}
+	return 0
+}
+
+func (m *Cost) GetEntityWriteBytes() int32 {
+	if m != nil && m.EntityWriteBytes != nil {
+		return *m.EntityWriteBytes
+	}
+	return 0
+}
+
+func (m *Cost) GetCommitcost() *Cost_CommitCost {
+	if m != nil {
+		return m.Commitcost
+	}
+	return nil
+}
+
+func (m *Cost) GetApproximateStorageDelta() int32 {
+	if m != nil && m.ApproximateStorageDelta != nil {
+		return *m.ApproximateStorageDelta
+	}
+	return 0
+}
+
+func (m *Cost) GetIdSequenceUpdates() int32 {
+	if m != nil && m.IdSequenceUpdates != nil {
+		return *m.IdSequenceUpdates
+	}
+	return 0
+}
+
+type Cost_CommitCost struct {
+	RequestedEntityPuts    *int32   `protobuf:"varint,6,opt,name=requested_entity_puts,json=requestedEntityPuts" json:"requested_entity_puts,omitempty"`
+	RequestedEntityDeletes *int32   `protobuf:"varint,7,opt,name=requested_entity_deletes,json=requestedEntityDeletes" json:"requested_entity_deletes,omitempty"`
+	XXX_NoUnkeyedLiteral   struct{} `json:"-"`
+	XXX_unrecognized       []byte   `json:"-"`
+	XXX_sizecache          int32    `json:"-"`
+}
+
+func (m *Cost_CommitCost) Reset()         { *m = Cost_CommitCost{} }
+func (m *Cost_CommitCost) String() string { return proto.CompactTextString(m) }
+func (*Cost_CommitCost) ProtoMessage()    {}
+func (*Cost_CommitCost) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{20, 0}
+}
+func (m *Cost_CommitCost) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Cost_CommitCost.Unmarshal(m, b)
+}
+func (m *Cost_CommitCost) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Cost_CommitCost.Marshal(b, m, deterministic)
+}
+func (dst *Cost_CommitCost) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Cost_CommitCost.Merge(dst, src)
+}
+func (m *Cost_CommitCost) XXX_Size() int {
+	return xxx_messageInfo_Cost_CommitCost.Size(m)
+}
+func (m *Cost_CommitCost) XXX_DiscardUnknown() {
+	xxx_messageInfo_Cost_CommitCost.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Cost_CommitCost proto.InternalMessageInfo
+
+func (m *Cost_CommitCost) GetRequestedEntityPuts() int32 {
+	if m != nil && m.RequestedEntityPuts != nil {
+		return *m.RequestedEntityPuts
+	}
+	return 0
+}
+
+func (m *Cost_CommitCost) GetRequestedEntityDeletes() int32 {
+	if m != nil && m.RequestedEntityDeletes != nil {
+		return *m.RequestedEntityDeletes
+	}
+	return 0
+}
+
+type GetRequest struct {
+	Header               *InternalHeader `protobuf:"bytes,6,opt,name=header" json:"header,omitempty"`
+	Key                  []*Reference    `protobuf:"bytes,1,rep,name=key" json:"key,omitempty"`
+	Transaction          *Transaction    `protobuf:"bytes,2,opt,name=transaction" json:"transaction,omitempty"`
+	FailoverMs           *int64          `protobuf:"varint,3,opt,name=failover_ms,json=failoverMs" json:"failover_ms,omitempty"`
+	Strong               *bool           `protobuf:"varint,4,opt,name=strong" json:"strong,omitempty"`
+	AllowDeferred        *bool           `protobuf:"varint,5,opt,name=allow_deferred,json=allowDeferred,def=0" json:"allow_deferred,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}        `json:"-"`
+	XXX_unrecognized     []byte          `json:"-"`
+	XXX_sizecache        int32           `json:"-"`
+}
+
+func (m *GetRequest) Reset()         { *m = GetRequest{} }
+func (m *GetRequest) String() string { return proto.CompactTextString(m) }
+func (*GetRequest) ProtoMessage()    {}
+func (*GetRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{21}
+}
+func (m *GetRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_GetRequest.Unmarshal(m, b)
+}
+func (m *GetRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_GetRequest.Marshal(b, m, deterministic)
+}
+func (dst *GetRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetRequest.Merge(dst, src)
+}
+func (m *GetRequest) XXX_Size() int {
+	return xxx_messageInfo_GetRequest.Size(m)
+}
+func (m *GetRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_GetRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_GetRequest proto.InternalMessageInfo
+
+const Default_GetRequest_AllowDeferred bool = false
+
+func (m *GetRequest) GetHeader() *InternalHeader {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+func (m *GetRequest) GetKey() []*Reference {
+	if m != nil {
+		return m.Key
+	}
+	return nil
+}
+
+func (m *GetRequest) GetTransaction() *Transaction {
+	if m != nil {
+		return m.Transaction
+	}
+	return nil
+}
+
+func (m *GetRequest) GetFailoverMs() int64 {
+	if m != nil && m.FailoverMs != nil {
+		return *m.FailoverMs
+	}
+	return 0
+}
+
+func (m *GetRequest) GetStrong() bool {
+	if m != nil && m.Strong != nil {
+		return *m.Strong
+	}
+	return false
+}
+
+func (m *GetRequest) GetAllowDeferred() bool {
+	if m != nil && m.AllowDeferred != nil {
+		return *m.AllowDeferred
+	}
+	return Default_GetRequest_AllowDeferred
+}
+
+type GetResponse struct {
+	Entity               []*GetResponse_Entity `protobuf:"group,1,rep,name=Entity,json=entity" json:"entity,omitempty"`
+	Deferred             []*Reference          `protobuf:"bytes,5,rep,name=deferred" json:"deferred,omitempty"`
+	InOrder              *bool                 `protobuf:"varint,6,opt,name=in_order,json=inOrder,def=1" json:"in_order,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}              `json:"-"`
+	XXX_unrecognized     []byte                `json:"-"`
+	XXX_sizecache        int32                 `json:"-"`
+}
+
+func (m *GetResponse) Reset()         { *m = GetResponse{} }
+func (m *GetResponse) String() string { return proto.CompactTextString(m) }
+func (*GetResponse) ProtoMessage()    {}
+func (*GetResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{22}
+}
+func (m *GetResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_GetResponse.Unmarshal(m, b)
+}
+func (m *GetResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_GetResponse.Marshal(b, m, deterministic)
+}
+func (dst *GetResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetResponse.Merge(dst, src)
+}
+func (m *GetResponse) XXX_Size() int {
+	return xxx_messageInfo_GetResponse.Size(m)
+}
+func (m *GetResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_GetResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_GetResponse proto.InternalMessageInfo
+
+const Default_GetResponse_InOrder bool = true
+
+func (m *GetResponse) GetEntity() []*GetResponse_Entity {
+	if m != nil {
+		return m.Entity
+	}
+	return nil
+}
+
+func (m *GetResponse) GetDeferred() []*Reference {
+	if m != nil {
+		return m.Deferred
+	}
+	return nil
+}
+
+func (m *GetResponse) GetInOrder() bool {
+	if m != nil && m.InOrder != nil {
+		return *m.InOrder
+	}
+	return Default_GetResponse_InOrder
+}
+
+type GetResponse_Entity struct {
+	Entity               *EntityProto `protobuf:"bytes,2,opt,name=entity" json:"entity,omitempty"`
+	Key                  *Reference   `protobuf:"bytes,4,opt,name=key" json:"key,omitempty"`
+	Version              *int64       `protobuf:"varint,3,opt,name=version" json:"version,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}     `json:"-"`
+	XXX_unrecognized     []byte       `json:"-"`
+	XXX_sizecache        int32        `json:"-"`
+}
+
+func (m *GetResponse_Entity) Reset()         { *m = GetResponse_Entity{} }
+func (m *GetResponse_Entity) String() string { return proto.CompactTextString(m) }
+func (*GetResponse_Entity) ProtoMessage()    {}
+func (*GetResponse_Entity) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{22, 0}
+}
+func (m *GetResponse_Entity) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_GetResponse_Entity.Unmarshal(m, b)
+}
+func (m *GetResponse_Entity) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_GetResponse_Entity.Marshal(b, m, deterministic)
+}
+func (dst *GetResponse_Entity) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetResponse_Entity.Merge(dst, src)
+}
+func (m *GetResponse_Entity) XXX_Size() int {
+	return xxx_messageInfo_GetResponse_Entity.Size(m)
+}
+func (m *GetResponse_Entity) XXX_DiscardUnknown() {
+	xxx_messageInfo_GetResponse_Entity.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_GetResponse_Entity proto.InternalMessageInfo
+
+func (m *GetResponse_Entity) GetEntity() *EntityProto {
+	if m != nil {
+		return m.Entity
+	}
+	return nil
+}
+
+func (m *GetResponse_Entity) GetKey() *Reference {
+	if m != nil {
+		return m.Key
+	}
+	return nil
+}
+
+func (m *GetResponse_Entity) GetVersion() int64 {
+	if m != nil && m.Version != nil {
+		return *m.Version
+	}
+	return 0
+}
+
+type PutRequest struct {
+	Header               *InternalHeader          `protobuf:"bytes,11,opt,name=header" json:"header,omitempty"`
+	Entity               []*EntityProto           `protobuf:"bytes,1,rep,name=entity" json:"entity,omitempty"`
+	Transaction          *Transaction             `protobuf:"bytes,2,opt,name=transaction" json:"transaction,omitempty"`
+	CompositeIndex       []*CompositeIndex        `protobuf:"bytes,3,rep,name=composite_index,json=compositeIndex" json:"composite_index,omitempty"`
+	Trusted              *bool                    `protobuf:"varint,4,opt,name=trusted,def=0" json:"trusted,omitempty"`
+	Force                *bool                    `protobuf:"varint,7,opt,name=force,def=0" json:"force,omitempty"`
+	MarkChanges          *bool                    `protobuf:"varint,8,opt,name=mark_changes,json=markChanges,def=0" json:"mark_changes,omitempty"`
+	Snapshot             []*Snapshot              `protobuf:"bytes,9,rep,name=snapshot" json:"snapshot,omitempty"`
+	AutoIdPolicy         *PutRequest_AutoIdPolicy `protobuf:"varint,10,opt,name=auto_id_policy,json=autoIdPolicy,enum=appengine.PutRequest_AutoIdPolicy,def=0" json:"auto_id_policy,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}                 `json:"-"`
+	XXX_unrecognized     []byte                   `json:"-"`
+	XXX_sizecache        int32                    `json:"-"`
+}
+
+func (m *PutRequest) Reset()         { *m = PutRequest{} }
+func (m *PutRequest) String() string { return proto.CompactTextString(m) }
+func (*PutRequest) ProtoMessage()    {}
+func (*PutRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{23}
+}
+func (m *PutRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_PutRequest.Unmarshal(m, b)
+}
+func (m *PutRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_PutRequest.Marshal(b, m, deterministic)
+}
+func (dst *PutRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PutRequest.Merge(dst, src)
+}
+func (m *PutRequest) XXX_Size() int {
+	return xxx_messageInfo_PutRequest.Size(m)
+}
+func (m *PutRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_PutRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_PutRequest proto.InternalMessageInfo
+
+const Default_PutRequest_Trusted bool = false
+const Default_PutRequest_Force bool = false
+const Default_PutRequest_MarkChanges bool = false
+const Default_PutRequest_AutoIdPolicy PutRequest_AutoIdPolicy = PutRequest_CURRENT
+
+func (m *PutRequest) GetHeader() *InternalHeader {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+func (m *PutRequest) GetEntity() []*EntityProto {
+	if m != nil {
+		return m.Entity
+	}
+	return nil
+}
+
+func (m *PutRequest) GetTransaction() *Transaction {
+	if m != nil {
+		return m.Transaction
+	}
+	return nil
+}
+
+func (m *PutRequest) GetCompositeIndex() []*CompositeIndex {
+	if m != nil {
+		return m.CompositeIndex
+	}
+	return nil
+}
+
+func (m *PutRequest) GetTrusted() bool {
+	if m != nil && m.Trusted != nil {
+		return *m.Trusted
+	}
+	return Default_PutRequest_Trusted
+}
+
+func (m *PutRequest) GetForce() bool {
+	if m != nil && m.Force != nil {
+		return *m.Force
+	}
+	return Default_PutRequest_Force
+}
+
+func (m *PutRequest) GetMarkChanges() bool {
+	if m != nil && m.MarkChanges != nil {
+		return *m.MarkChanges
+	}
+	return Default_PutRequest_MarkChanges
+}
+
+func (m *PutRequest) GetSnapshot() []*Snapshot {
+	if m != nil {
+		return m.Snapshot
+	}
+	return nil
+}
+
+func (m *PutRequest) GetAutoIdPolicy() PutRequest_AutoIdPolicy {
+	if m != nil && m.AutoIdPolicy != nil {
+		return *m.AutoIdPolicy
+	}
+	return Default_PutRequest_AutoIdPolicy
+}
+
+type PutResponse struct {
+	Key                  []*Reference `protobuf:"bytes,1,rep,name=key" json:"key,omitempty"`
+	Cost                 *Cost        `protobuf:"bytes,2,opt,name=cost" json:"cost,omitempty"`
+	Version              []int64      `protobuf:"varint,3,rep,name=version" json:"version,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}     `json:"-"`
+	XXX_unrecognized     []byte       `json:"-"`
+	XXX_sizecache        int32        `json:"-"`
+}
+
+func (m *PutResponse) Reset()         { *m = PutResponse{} }
+func (m *PutResponse) String() string { return proto.CompactTextString(m) }
+func (*PutResponse) ProtoMessage()    {}
+func (*PutResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{24}
+}
+func (m *PutResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_PutResponse.Unmarshal(m, b)
+}
+func (m *PutResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_PutResponse.Marshal(b, m, deterministic)
+}
+func (dst *PutResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PutResponse.Merge(dst, src)
+}
+func (m *PutResponse) XXX_Size() int {
+	return xxx_messageInfo_PutResponse.Size(m)
+}
+func (m *PutResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_PutResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_PutResponse proto.InternalMessageInfo
+
+func (m *PutResponse) GetKey() []*Reference {
+	if m != nil {
+		return m.Key
+	}
+	return nil
+}
+
+func (m *PutResponse) GetCost() *Cost {
+	if m != nil {
+		return m.Cost
+	}
+	return nil
+}
+
+func (m *PutResponse) GetVersion() []int64 {
+	if m != nil {
+		return m.Version
+	}
+	return nil
+}
+
+type TouchRequest struct {
+	Header               *InternalHeader   `protobuf:"bytes,10,opt,name=header" json:"header,omitempty"`
+	Key                  []*Reference      `protobuf:"bytes,1,rep,name=key" json:"key,omitempty"`
+	CompositeIndex       []*CompositeIndex `protobuf:"bytes,2,rep,name=composite_index,json=compositeIndex" json:"composite_index,omitempty"`
+	Force                *bool             `protobuf:"varint,3,opt,name=force,def=0" json:"force,omitempty"`
+	Snapshot             []*Snapshot       `protobuf:"bytes,9,rep,name=snapshot" json:"snapshot,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
+	XXX_unrecognized     []byte            `json:"-"`
+	XXX_sizecache        int32             `json:"-"`
+}
+
+func (m *TouchRequest) Reset()         { *m = TouchRequest{} }
+func (m *TouchRequest) String() string { return proto.CompactTextString(m) }
+func (*TouchRequest) ProtoMessage()    {}
+func (*TouchRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{25}
+}
+func (m *TouchRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_TouchRequest.Unmarshal(m, b)
+}
+func (m *TouchRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_TouchRequest.Marshal(b, m, deterministic)
+}
+func (dst *TouchRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_TouchRequest.Merge(dst, src)
+}
+func (m *TouchRequest) XXX_Size() int {
+	return xxx_messageInfo_TouchRequest.Size(m)
+}
+func (m *TouchRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_TouchRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_TouchRequest proto.InternalMessageInfo
+
+const Default_TouchRequest_Force bool = false
+
+func (m *TouchRequest) GetHeader() *InternalHeader {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+func (m *TouchRequest) GetKey() []*Reference {
+	if m != nil {
+		return m.Key
+	}
+	return nil
+}
+
+func (m *TouchRequest) GetCompositeIndex() []*CompositeIndex {
+	if m != nil {
+		return m.CompositeIndex
+	}
+	return nil
+}
+
+func (m *TouchRequest) GetForce() bool {
+	if m != nil && m.Force != nil {
+		return *m.Force
+	}
+	return Default_TouchRequest_Force
+}
+
+func (m *TouchRequest) GetSnapshot() []*Snapshot {
+	if m != nil {
+		return m.Snapshot
+	}
+	return nil
+}
+
+type TouchResponse struct {
+	Cost                 *Cost    `protobuf:"bytes,1,opt,name=cost" json:"cost,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *TouchResponse) Reset()         { *m = TouchResponse{} }
+func (m *TouchResponse) String() string { return proto.CompactTextString(m) }
+func (*TouchResponse) ProtoMessage()    {}
+func (*TouchResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{26}
+}
+func (m *TouchResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_TouchResponse.Unmarshal(m, b)
+}
+func (m *TouchResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_TouchResponse.Marshal(b, m, deterministic)
+}
+func (dst *TouchResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_TouchResponse.Merge(dst, src)
+}
+func (m *TouchResponse) XXX_Size() int {
+	return xxx_messageInfo_TouchResponse.Size(m)
+}
+func (m *TouchResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_TouchResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_TouchResponse proto.InternalMessageInfo
+
+func (m *TouchResponse) GetCost() *Cost {
+	if m != nil {
+		return m.Cost
+	}
+	return nil
+}
+
+type DeleteRequest struct {
+	Header               *InternalHeader `protobuf:"bytes,10,opt,name=header" json:"header,omitempty"`
+	Key                  []*Reference    `protobuf:"bytes,6,rep,name=key" json:"key,omitempty"`
+	Transaction          *Transaction    `protobuf:"bytes,5,opt,name=transaction" json:"transaction,omitempty"`
+	Trusted              *bool           `protobuf:"varint,4,opt,name=trusted,def=0" json:"trusted,omitempty"`
+	Force                *bool           `protobuf:"varint,7,opt,name=force,def=0" json:"force,omitempty"`
+	MarkChanges          *bool           `protobuf:"varint,8,opt,name=mark_changes,json=markChanges,def=0" json:"mark_changes,omitempty"`
+	Snapshot             []*Snapshot     `protobuf:"bytes,9,rep,name=snapshot" json:"snapshot,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}        `json:"-"`
+	XXX_unrecognized     []byte          `json:"-"`
+	XXX_sizecache        int32           `json:"-"`
+}
+
+func (m *DeleteRequest) Reset()         { *m = DeleteRequest{} }
+func (m *DeleteRequest) String() string { return proto.CompactTextString(m) }
+func (*DeleteRequest) ProtoMessage()    {}
+func (*DeleteRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{27}
+}
+func (m *DeleteRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_DeleteRequest.Unmarshal(m, b)
+}
+func (m *DeleteRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_DeleteRequest.Marshal(b, m, deterministic)
+}
+func (dst *DeleteRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DeleteRequest.Merge(dst, src)
+}
+func (m *DeleteRequest) XXX_Size() int {
+	return xxx_messageInfo_DeleteRequest.Size(m)
+}
+func (m *DeleteRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_DeleteRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_DeleteRequest proto.InternalMessageInfo
+
+const Default_DeleteRequest_Trusted bool = false
+const Default_DeleteRequest_Force bool = false
+const Default_DeleteRequest_MarkChanges bool = false
+
+func (m *DeleteRequest) GetHeader() *InternalHeader {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+func (m *DeleteRequest) GetKey() []*Reference {
+	if m != nil {
+		return m.Key
+	}
+	return nil
+}
+
+func (m *DeleteRequest) GetTransaction() *Transaction {
+	if m != nil {
+		return m.Transaction
+	}
+	return nil
+}
+
+func (m *DeleteRequest) GetTrusted() bool {
+	if m != nil && m.Trusted != nil {
+		return *m.Trusted
+	}
+	return Default_DeleteRequest_Trusted
+}
+
+func (m *DeleteRequest) GetForce() bool {
+	if m != nil && m.Force != nil {
+		return *m.Force
+	}
+	return Default_DeleteRequest_Force
+}
+
+func (m *DeleteRequest) GetMarkChanges() bool {
+	if m != nil && m.MarkChanges != nil {
+		return *m.MarkChanges
+	}
+	return Default_DeleteRequest_MarkChanges
+}
+
+func (m *DeleteRequest) GetSnapshot() []*Snapshot {
+	if m != nil {
+		return m.Snapshot
+	}
+	return nil
+}
+
+type DeleteResponse struct {
+	Cost                 *Cost    `protobuf:"bytes,1,opt,name=cost" json:"cost,omitempty"`
+	Version              []int64  `protobuf:"varint,3,rep,name=version" json:"version,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *DeleteResponse) Reset()         { *m = DeleteResponse{} }
+func (m *DeleteResponse) String() string { return proto.CompactTextString(m) }
+func (*DeleteResponse) ProtoMessage()    {}
+func (*DeleteResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{28}
+}
+func (m *DeleteResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_DeleteResponse.Unmarshal(m, b)
+}
+func (m *DeleteResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_DeleteResponse.Marshal(b, m, deterministic)
+}
+func (dst *DeleteResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DeleteResponse.Merge(dst, src)
+}
+func (m *DeleteResponse) XXX_Size() int {
+	return xxx_messageInfo_DeleteResponse.Size(m)
+}
+func (m *DeleteResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_DeleteResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_DeleteResponse proto.InternalMessageInfo
+
+func (m *DeleteResponse) GetCost() *Cost {
+	if m != nil {
+		return m.Cost
+	}
+	return nil
+}
+
+func (m *DeleteResponse) GetVersion() []int64 {
+	if m != nil {
+		return m.Version
+	}
+	return nil
+}
+
+type NextRequest struct {
+	Header               *InternalHeader `protobuf:"bytes,5,opt,name=header" json:"header,omitempty"`
+	Cursor               *Cursor         `protobuf:"bytes,1,req,name=cursor" json:"cursor,omitempty"`
+	Count                *int32          `protobuf:"varint,2,opt,name=count" json:"count,omitempty"`
+	Offset               *int32          `protobuf:"varint,4,opt,name=offset,def=0" json:"offset,omitempty"`
+	Compile              *bool           `protobuf:"varint,3,opt,name=compile,def=0" json:"compile,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}        `json:"-"`
+	XXX_unrecognized     []byte          `json:"-"`
+	XXX_sizecache        int32           `json:"-"`
+}
+
+func (m *NextRequest) Reset()         { *m = NextRequest{} }
+func (m *NextRequest) String() string { return proto.CompactTextString(m) }
+func (*NextRequest) ProtoMessage()    {}
+func (*NextRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{29}
+}
+func (m *NextRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_NextRequest.Unmarshal(m, b)
+}
+func (m *NextRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_NextRequest.Marshal(b, m, deterministic)
+}
+func (dst *NextRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_NextRequest.Merge(dst, src)
+}
+func (m *NextRequest) XXX_Size() int {
+	return xxx_messageInfo_NextRequest.Size(m)
+}
+func (m *NextRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_NextRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_NextRequest proto.InternalMessageInfo
+
+const Default_NextRequest_Offset int32 = 0
+const Default_NextRequest_Compile bool = false
+
+func (m *NextRequest) GetHeader() *InternalHeader {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+func (m *NextRequest) GetCursor() *Cursor {
+	if m != nil {
+		return m.Cursor
+	}
+	return nil
+}
+
+func (m *NextRequest) GetCount() int32 {
+	if m != nil && m.Count != nil {
+		return *m.Count
+	}
+	return 0
+}
+
+func (m *NextRequest) GetOffset() int32 {
+	if m != nil && m.Offset != nil {
+		return *m.Offset
+	}
+	return Default_NextRequest_Offset
+}
+
+func (m *NextRequest) GetCompile() bool {
+	if m != nil && m.Compile != nil {
+		return *m.Compile
+	}
+	return Default_NextRequest_Compile
+}
+
+type QueryResult struct {
+	Cursor               *Cursor           `protobuf:"bytes,1,opt,name=cursor" json:"cursor,omitempty"`
+	Result               []*EntityProto    `protobuf:"bytes,2,rep,name=result" json:"result,omitempty"`
+	SkippedResults       *int32            `protobuf:"varint,7,opt,name=skipped_results,json=skippedResults" json:"skipped_results,omitempty"`
+	MoreResults          *bool             `protobuf:"varint,3,req,name=more_results,json=moreResults" json:"more_results,omitempty"`
+	KeysOnly             *bool             `protobuf:"varint,4,opt,name=keys_only,json=keysOnly" json:"keys_only,omitempty"`
+	IndexOnly            *bool             `protobuf:"varint,9,opt,name=index_only,json=indexOnly" json:"index_only,omitempty"`
+	SmallOps             *bool             `protobuf:"varint,10,opt,name=small_ops,json=smallOps" json:"small_ops,omitempty"`
+	CompiledQuery        *CompiledQuery    `protobuf:"bytes,5,opt,name=compiled_query,json=compiledQuery" json:"compiled_query,omitempty"`
+	CompiledCursor       *CompiledCursor   `protobuf:"bytes,6,opt,name=compiled_cursor,json=compiledCursor" json:"compiled_cursor,omitempty"`
+	Index                []*CompositeIndex `protobuf:"bytes,8,rep,name=index" json:"index,omitempty"`
+	Version              []int64           `protobuf:"varint,11,rep,name=version" json:"version,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
+	XXX_unrecognized     []byte            `json:"-"`
+	XXX_sizecache        int32             `json:"-"`
+}
+
+func (m *QueryResult) Reset()         { *m = QueryResult{} }
+func (m *QueryResult) String() string { return proto.CompactTextString(m) }
+func (*QueryResult) ProtoMessage()    {}
+func (*QueryResult) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{30}
+}
+func (m *QueryResult) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_QueryResult.Unmarshal(m, b)
+}
+func (m *QueryResult) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_QueryResult.Marshal(b, m, deterministic)
+}
+func (dst *QueryResult) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_QueryResult.Merge(dst, src)
+}
+func (m *QueryResult) XXX_Size() int {
+	return xxx_messageInfo_QueryResult.Size(m)
+}
+func (m *QueryResult) XXX_DiscardUnknown() {
+	xxx_messageInfo_QueryResult.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_QueryResult proto.InternalMessageInfo
+
+func (m *QueryResult) GetCursor() *Cursor {
+	if m != nil {
+		return m.Cursor
+	}
+	return nil
+}
+
+func (m *QueryResult) GetResult() []*EntityProto {
+	if m != nil {
+		return m.Result
+	}
+	return nil
+}
+
+func (m *QueryResult) GetSkippedResults() int32 {
+	if m != nil && m.SkippedResults != nil {
+		return *m.SkippedResults
+	}
+	return 0
+}
+
+func (m *QueryResult) GetMoreResults() bool {
+	if m != nil && m.MoreResults != nil {
+		return *m.MoreResults
+	}
+	return false
+}
+
+func (m *QueryResult) GetKeysOnly() bool {
+	if m != nil && m.KeysOnly != nil {
+		return *m.KeysOnly
+	}
+	return false
+}
+
+func (m *QueryResult) GetIndexOnly() bool {
+	if m != nil && m.IndexOnly != nil {
+		return *m.IndexOnly
+	}
+	return false
+}
+
+func (m *QueryResult) GetSmallOps() bool {
+	if m != nil && m.SmallOps != nil {
+		return *m.SmallOps
+	}
+	return false
+}
+
+func (m *QueryResult) GetCompiledQuery() *CompiledQuery {
+	if m != nil {
+		return m.CompiledQuery
+	}
+	return nil
+}
+
+func (m *QueryResult) GetCompiledCursor() *CompiledCursor {
+	if m != nil {
+		return m.CompiledCursor
+	}
+	return nil
+}
+
+func (m *QueryResult) GetIndex() []*CompositeIndex {
+	if m != nil {
+		return m.Index
+	}
+	return nil
+}
+
+func (m *QueryResult) GetVersion() []int64 {
+	if m != nil {
+		return m.Version
+	}
+	return nil
+}
+
+type AllocateIdsRequest struct {
+	Header               *InternalHeader `protobuf:"bytes,4,opt,name=header" json:"header,omitempty"`
+	ModelKey             *Reference      `protobuf:"bytes,1,opt,name=model_key,json=modelKey" json:"model_key,omitempty"`
+	Size                 *int64          `protobuf:"varint,2,opt,name=size" json:"size,omitempty"`
+	Max                  *int64          `protobuf:"varint,3,opt,name=max" json:"max,omitempty"`
+	Reserve              []*Reference    `protobuf:"bytes,5,rep,name=reserve" json:"reserve,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}        `json:"-"`
+	XXX_unrecognized     []byte          `json:"-"`
+	XXX_sizecache        int32           `json:"-"`
+}
+
+func (m *AllocateIdsRequest) Reset()         { *m = AllocateIdsRequest{} }
+func (m *AllocateIdsRequest) String() string { return proto.CompactTextString(m) }
+func (*AllocateIdsRequest) ProtoMessage()    {}
+func (*AllocateIdsRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{31}
+}
+func (m *AllocateIdsRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_AllocateIdsRequest.Unmarshal(m, b)
+}
+func (m *AllocateIdsRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_AllocateIdsRequest.Marshal(b, m, deterministic)
+}
+func (dst *AllocateIdsRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_AllocateIdsRequest.Merge(dst, src)
+}
+func (m *AllocateIdsRequest) XXX_Size() int {
+	return xxx_messageInfo_AllocateIdsRequest.Size(m)
+}
+func (m *AllocateIdsRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_AllocateIdsRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_AllocateIdsRequest proto.InternalMessageInfo
+
+func (m *AllocateIdsRequest) GetHeader() *InternalHeader {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+func (m *AllocateIdsRequest) GetModelKey() *Reference {
+	if m != nil {
+		return m.ModelKey
+	}
+	return nil
+}
+
+func (m *AllocateIdsRequest) GetSize() int64 {
+	if m != nil && m.Size != nil {
+		return *m.Size
+	}
+	return 0
+}
+
+func (m *AllocateIdsRequest) GetMax() int64 {
+	if m != nil && m.Max != nil {
+		return *m.Max
+	}
+	return 0
+}
+
+func (m *AllocateIdsRequest) GetReserve() []*Reference {
+	if m != nil {
+		return m.Reserve
+	}
+	return nil
+}
+
+type AllocateIdsResponse struct {
+	Start                *int64   `protobuf:"varint,1,req,name=start" json:"start,omitempty"`
+	End                  *int64   `protobuf:"varint,2,req,name=end" json:"end,omitempty"`
+	Cost                 *Cost    `protobuf:"bytes,3,opt,name=cost" json:"cost,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *AllocateIdsResponse) Reset()         { *m = AllocateIdsResponse{} }
+func (m *AllocateIdsResponse) String() string { return proto.CompactTextString(m) }
+func (*AllocateIdsResponse) ProtoMessage()    {}
+func (*AllocateIdsResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{32}
+}
+func (m *AllocateIdsResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_AllocateIdsResponse.Unmarshal(m, b)
+}
+func (m *AllocateIdsResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_AllocateIdsResponse.Marshal(b, m, deterministic)
+}
+func (dst *AllocateIdsResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_AllocateIdsResponse.Merge(dst, src)
+}
+func (m *AllocateIdsResponse) XXX_Size() int {
+	return xxx_messageInfo_AllocateIdsResponse.Size(m)
+}
+func (m *AllocateIdsResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_AllocateIdsResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_AllocateIdsResponse proto.InternalMessageInfo
+
+func (m *AllocateIdsResponse) GetStart() int64 {
+	if m != nil && m.Start != nil {
+		return *m.Start
+	}
+	return 0
+}
+
+func (m *AllocateIdsResponse) GetEnd() int64 {
+	if m != nil && m.End != nil {
+		return *m.End
+	}
+	return 0
+}
+
+func (m *AllocateIdsResponse) GetCost() *Cost {
+	if m != nil {
+		return m.Cost
+	}
+	return nil
+}
+
+type CompositeIndices struct {
+	Index                []*CompositeIndex `protobuf:"bytes,1,rep,name=index" json:"index,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
+	XXX_unrecognized     []byte            `json:"-"`
+	XXX_sizecache        int32             `json:"-"`
+}
+
+func (m *CompositeIndices) Reset()         { *m = CompositeIndices{} }
+func (m *CompositeIndices) String() string { return proto.CompactTextString(m) }
+func (*CompositeIndices) ProtoMessage()    {}
+func (*CompositeIndices) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{33}
+}
+func (m *CompositeIndices) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_CompositeIndices.Unmarshal(m, b)
+}
+func (m *CompositeIndices) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_CompositeIndices.Marshal(b, m, deterministic)
+}
+func (dst *CompositeIndices) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CompositeIndices.Merge(dst, src)
+}
+func (m *CompositeIndices) XXX_Size() int {
+	return xxx_messageInfo_CompositeIndices.Size(m)
+}
+func (m *CompositeIndices) XXX_DiscardUnknown() {
+	xxx_messageInfo_CompositeIndices.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CompositeIndices proto.InternalMessageInfo
+
+func (m *CompositeIndices) GetIndex() []*CompositeIndex {
+	if m != nil {
+		return m.Index
+	}
+	return nil
+}
+
+type AddActionsRequest struct {
+	Header               *InternalHeader `protobuf:"bytes,3,opt,name=header" json:"header,omitempty"`
+	Transaction          *Transaction    `protobuf:"bytes,1,req,name=transaction" json:"transaction,omitempty"`
+	Action               []*Action       `protobuf:"bytes,2,rep,name=action" json:"action,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}        `json:"-"`
+	XXX_unrecognized     []byte          `json:"-"`
+	XXX_sizecache        int32           `json:"-"`
+}
+
+func (m *AddActionsRequest) Reset()         { *m = AddActionsRequest{} }
+func (m *AddActionsRequest) String() string { return proto.CompactTextString(m) }
+func (*AddActionsRequest) ProtoMessage()    {}
+func (*AddActionsRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{34}
+}
+func (m *AddActionsRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_AddActionsRequest.Unmarshal(m, b)
+}
+func (m *AddActionsRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_AddActionsRequest.Marshal(b, m, deterministic)
+}
+func (dst *AddActionsRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_AddActionsRequest.Merge(dst, src)
+}
+func (m *AddActionsRequest) XXX_Size() int {
+	return xxx_messageInfo_AddActionsRequest.Size(m)
+}
+func (m *AddActionsRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_AddActionsRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_AddActionsRequest proto.InternalMessageInfo
+
+func (m *AddActionsRequest) GetHeader() *InternalHeader {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+func (m *AddActionsRequest) GetTransaction() *Transaction {
+	if m != nil {
+		return m.Transaction
+	}
+	return nil
+}
+
+func (m *AddActionsRequest) GetAction() []*Action {
+	if m != nil {
+		return m.Action
+	}
+	return nil
+}
+
+type AddActionsResponse struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *AddActionsResponse) Reset()         { *m = AddActionsResponse{} }
+func (m *AddActionsResponse) String() string { return proto.CompactTextString(m) }
+func (*AddActionsResponse) ProtoMessage()    {}
+func (*AddActionsResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{35}
+}
+func (m *AddActionsResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_AddActionsResponse.Unmarshal(m, b)
+}
+func (m *AddActionsResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_AddActionsResponse.Marshal(b, m, deterministic)
+}
+func (dst *AddActionsResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_AddActionsResponse.Merge(dst, src)
+}
+func (m *AddActionsResponse) XXX_Size() int {
+	return xxx_messageInfo_AddActionsResponse.Size(m)
+}
+func (m *AddActionsResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_AddActionsResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_AddActionsResponse proto.InternalMessageInfo
+
+type BeginTransactionRequest struct {
+	Header               *InternalHeader                          `protobuf:"bytes,3,opt,name=header" json:"header,omitempty"`
+	App                  *string                                  `protobuf:"bytes,1,req,name=app" json:"app,omitempty"`
+	AllowMultipleEg      *bool                                    `protobuf:"varint,2,opt,name=allow_multiple_eg,json=allowMultipleEg,def=0" json:"allow_multiple_eg,omitempty"`
+	DatabaseId           *string                                  `protobuf:"bytes,4,opt,name=database_id,json=databaseId" json:"database_id,omitempty"`
+	Mode                 *BeginTransactionRequest_TransactionMode `protobuf:"varint,5,opt,name=mode,enum=appengine.BeginTransactionRequest_TransactionMode,def=0" json:"mode,omitempty"`
+	PreviousTransaction  *Transaction                             `protobuf:"bytes,7,opt,name=previous_transaction,json=previousTransaction" json:"previous_transaction,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}                                 `json:"-"`
+	XXX_unrecognized     []byte                                   `json:"-"`
+	XXX_sizecache        int32                                    `json:"-"`
+}
+
+func (m *BeginTransactionRequest) Reset()         { *m = BeginTransactionRequest{} }
+func (m *BeginTransactionRequest) String() string { return proto.CompactTextString(m) }
+func (*BeginTransactionRequest) ProtoMessage()    {}
+func (*BeginTransactionRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{36}
+}
+func (m *BeginTransactionRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_BeginTransactionRequest.Unmarshal(m, b)
+}
+func (m *BeginTransactionRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_BeginTransactionRequest.Marshal(b, m, deterministic)
+}
+func (dst *BeginTransactionRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_BeginTransactionRequest.Merge(dst, src)
+}
+func (m *BeginTransactionRequest) XXX_Size() int {
+	return xxx_messageInfo_BeginTransactionRequest.Size(m)
+}
+func (m *BeginTransactionRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_BeginTransactionRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_BeginTransactionRequest proto.InternalMessageInfo
+
+const Default_BeginTransactionRequest_AllowMultipleEg bool = false
+const Default_BeginTransactionRequest_Mode BeginTransactionRequest_TransactionMode = BeginTransactionRequest_UNKNOWN
+
+func (m *BeginTransactionRequest) GetHeader() *InternalHeader {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+func (m *BeginTransactionRequest) GetApp() string {
+	if m != nil && m.App != nil {
+		return *m.App
+	}
+	return ""
+}
+
+func (m *BeginTransactionRequest) GetAllowMultipleEg() bool {
+	if m != nil && m.AllowMultipleEg != nil {
+		return *m.AllowMultipleEg
+	}
+	return Default_BeginTransactionRequest_AllowMultipleEg
+}
+
+func (m *BeginTransactionRequest) GetDatabaseId() string {
+	if m != nil && m.DatabaseId != nil {
+		return *m.DatabaseId
+	}
+	return ""
+}
+
+func (m *BeginTransactionRequest) GetMode() BeginTransactionRequest_TransactionMode {
+	if m != nil && m.Mode != nil {
+		return *m.Mode
+	}
+	return Default_BeginTransactionRequest_Mode
+}
+
+func (m *BeginTransactionRequest) GetPreviousTransaction() *Transaction {
+	if m != nil {
+		return m.PreviousTransaction
+	}
+	return nil
+}
+
+type CommitResponse struct {
+	Cost                 *Cost                     `protobuf:"bytes,1,opt,name=cost" json:"cost,omitempty"`
+	Version              []*CommitResponse_Version `protobuf:"group,3,rep,name=Version,json=version" json:"version,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}                  `json:"-"`
+	XXX_unrecognized     []byte                    `json:"-"`
+	XXX_sizecache        int32                     `json:"-"`
+}
+
+func (m *CommitResponse) Reset()         { *m = CommitResponse{} }
+func (m *CommitResponse) String() string { return proto.CompactTextString(m) }
+func (*CommitResponse) ProtoMessage()    {}
+func (*CommitResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{37}
+}
+func (m *CommitResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_CommitResponse.Unmarshal(m, b)
+}
+func (m *CommitResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_CommitResponse.Marshal(b, m, deterministic)
+}
+func (dst *CommitResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CommitResponse.Merge(dst, src)
+}
+func (m *CommitResponse) XXX_Size() int {
+	return xxx_messageInfo_CommitResponse.Size(m)
+}
+func (m *CommitResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_CommitResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CommitResponse proto.InternalMessageInfo
+
+func (m *CommitResponse) GetCost() *Cost {
+	if m != nil {
+		return m.Cost
+	}
+	return nil
+}
+
+func (m *CommitResponse) GetVersion() []*CommitResponse_Version {
+	if m != nil {
+		return m.Version
+	}
+	return nil
+}
+
+type CommitResponse_Version struct {
+	RootEntityKey        *Reference `protobuf:"bytes,4,req,name=root_entity_key,json=rootEntityKey" json:"root_entity_key,omitempty"`
+	Version              *int64     `protobuf:"varint,5,req,name=version" json:"version,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}   `json:"-"`
+	XXX_unrecognized     []byte     `json:"-"`
+	XXX_sizecache        int32      `json:"-"`
+}
+
+func (m *CommitResponse_Version) Reset()         { *m = CommitResponse_Version{} }
+func (m *CommitResponse_Version) String() string { return proto.CompactTextString(m) }
+func (*CommitResponse_Version) ProtoMessage()    {}
+func (*CommitResponse_Version) Descriptor() ([]byte, []int) {
+	return fileDescriptor_datastore_v3_83b17b80c34f6179, []int{37, 0}
+}
+func (m *CommitResponse_Version) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_CommitResponse_Version.Unmarshal(m, b)
+}
+func (m *CommitResponse_Version) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_CommitResponse_Version.Marshal(b, m, deterministic)
+}
+func (dst *CommitResponse_Version) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CommitResponse_Version.Merge(dst, src)
+}
+func (m *CommitResponse_Version) XXX_Size() int {
+	return xxx_messageInfo_CommitResponse_Version.Size(m)
+}
+func (m *CommitResponse_Version) XXX_DiscardUnknown() {
+	xxx_messageInfo_CommitResponse_Version.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CommitResponse_Version proto.InternalMessageInfo
+
+func (m *CommitResponse_Version) GetRootEntityKey() *Reference {
+	if m != nil {
+		return m.RootEntityKey
+	}
+	return nil
+}
+
+func (m *CommitResponse_Version) GetVersion() int64 {
+	if m != nil && m.Version != nil {
+		return *m.Version
+	}
+	return 0
+}
+
+func init() {
+	proto.RegisterType((*Action)(nil), "appengine.Action")
+	proto.RegisterType((*PropertyValue)(nil), "appengine.PropertyValue")
+	proto.RegisterType((*PropertyValue_PointValue)(nil), "appengine.PropertyValue.PointValue")
+	proto.RegisterType((*PropertyValue_UserValue)(nil), "appengine.PropertyValue.UserValue")
+	proto.RegisterType((*PropertyValue_ReferenceValue)(nil), "appengine.PropertyValue.ReferenceValue")
+	proto.RegisterType((*PropertyValue_ReferenceValue_PathElement)(nil), "appengine.PropertyValue.ReferenceValue.PathElement")
+	proto.RegisterType((*Property)(nil), "appengine.Property")
+	proto.RegisterType((*Path)(nil), "appengine.Path")
+	proto.RegisterType((*Path_Element)(nil), "appengine.Path.Element")
+	proto.RegisterType((*Reference)(nil), "appengine.Reference")
+	proto.RegisterType((*User)(nil), "appengine.User")
+	proto.RegisterType((*EntityProto)(nil), "appengine.EntityProto")
+	proto.RegisterType((*CompositeProperty)(nil), "appengine.CompositeProperty")
+	proto.RegisterType((*Index)(nil), "appengine.Index")
+	proto.RegisterType((*Index_Property)(nil), "appengine.Index.Property")
+	proto.RegisterType((*CompositeIndex)(nil), "appengine.CompositeIndex")
+	proto.RegisterType((*IndexPostfix)(nil), "appengine.IndexPostfix")
+	proto.RegisterType((*IndexPostfix_IndexValue)(nil), "appengine.IndexPostfix.IndexValue")
+	proto.RegisterType((*IndexPosition)(nil), "appengine.IndexPosition")
+	proto.RegisterType((*Snapshot)(nil), "appengine.Snapshot")
+	proto.RegisterType((*InternalHeader)(nil), "appengine.InternalHeader")
+	proto.RegisterType((*Transaction)(nil), "appengine.Transaction")
+	proto.RegisterType((*Query)(nil), "appengine.Query")
+	proto.RegisterType((*Query_Filter)(nil), "appengine.Query.Filter")
+	proto.RegisterType((*Query_Order)(nil), "appengine.Query.Order")
+	proto.RegisterType((*CompiledQuery)(nil), "appengine.CompiledQuery")
+	proto.RegisterType((*CompiledQuery_PrimaryScan)(nil), "appengine.CompiledQuery.PrimaryScan")
+	proto.RegisterType((*CompiledQuery_MergeJoinScan)(nil), "appengine.CompiledQuery.MergeJoinScan")
+	proto.RegisterType((*CompiledQuery_EntityFilter)(nil), "appengine.CompiledQuery.EntityFilter")
+	proto.RegisterType((*CompiledCursor)(nil), "appengine.CompiledCursor")
+	proto.RegisterType((*CompiledCursor_Position)(nil), "appengine.CompiledCursor.Position")
+	proto.RegisterType((*CompiledCursor_Position_IndexValue)(nil), "appengine.CompiledCursor.Position.IndexValue")
+	proto.RegisterType((*Cursor)(nil), "appengine.Cursor")
+	proto.RegisterType((*Error)(nil), "appengine.Error")
+	proto.RegisterType((*Cost)(nil), "appengine.Cost")
+	proto.RegisterType((*Cost_CommitCost)(nil), "appengine.Cost.CommitCost")
+	proto.RegisterType((*GetRequest)(nil), "appengine.GetRequest")
+	proto.RegisterType((*GetResponse)(nil), "appengine.GetResponse")
+	proto.RegisterType((*GetResponse_Entity)(nil), "appengine.GetResponse.Entity")
+	proto.RegisterType((*PutRequest)(nil), "appengine.PutRequest")
+	proto.RegisterType((*PutResponse)(nil), "appengine.PutResponse")
+	proto.RegisterType((*TouchRequest)(nil), "appengine.TouchRequest")
+	proto.RegisterType((*TouchResponse)(nil), "appengine.TouchResponse")
+	proto.RegisterType((*DeleteRequest)(nil), "appengine.DeleteRequest")
+	proto.RegisterType((*DeleteResponse)(nil), "appengine.DeleteResponse")
+	proto.RegisterType((*NextRequest)(nil), "appengine.NextRequest")
+	proto.RegisterType((*QueryResult)(nil), "appengine.QueryResult")
+	proto.RegisterType((*AllocateIdsRequest)(nil), "appengine.AllocateIdsRequest")
+	proto.RegisterType((*AllocateIdsResponse)(nil), "appengine.AllocateIdsResponse")
+	proto.RegisterType((*CompositeIndices)(nil), "appengine.CompositeIndices")
+	proto.RegisterType((*AddActionsRequest)(nil), "appengine.AddActionsRequest")
+	proto.RegisterType((*AddActionsResponse)(nil), "appengine.AddActionsResponse")
+	proto.RegisterType((*BeginTransactionRequest)(nil), "appengine.BeginTransactionRequest")
+	proto.RegisterType((*CommitResponse)(nil), "appengine.CommitResponse")
+	proto.RegisterType((*CommitResponse_Version)(nil), "appengine.CommitResponse.Version")
+}
+
+func init() {
+	proto.RegisterFile("google.golang.org/appengine/internal/datastore/datastore_v3.proto", fileDescriptor_datastore_v3_83b17b80c34f6179)
+}
+
+var fileDescriptor_datastore_v3_83b17b80c34f6179 = []byte{
+	// 4156 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xcc, 0x5a, 0xcd, 0x73, 0xe3, 0x46,
+	0x76, 0x37, 0xc1, 0xef, 0x47, 0x89, 0x82, 0x5a, 0xf3, 0xc1, 0xa1, 0x3f, 0x46, 0xc6, 0xac, 0x6d,
+	0xd9, 0x6b, 0x73, 0x6c, 0xf9, 0x23, 0x5b, 0x4a, 0x76, 0x1d, 0x4a, 0xc4, 0x68, 0x90, 0xa1, 0x48,
+	0xb9, 0x09, 0xd9, 0x9e, 0x5c, 0x50, 0x18, 0xa2, 0x29, 0x21, 0x43, 0x02, 0x30, 0x00, 0x6a, 0x46,
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+	0x6b, 0xfc, 0xdc, 0x0d, 0x02, 0xe6, 0x58, 0x82, 0x92, 0x14, 0x30, 0x4d, 0x49, 0x16, 0x22, 0x44,
+	0xbc, 0xfc, 0x9c, 0xf9, 0x21, 0x4b, 0x51, 0x45, 0xbc, 0x4f, 0x68, 0x70, 0x5a, 0x02, 0xc9, 0xdd,
+	0x37, 0x88, 0xca, 0xe0, 0xfc, 0xbe, 0x21, 0xed, 0x35, 0x91, 0x5b, 0x47, 0xae, 0xe8, 0x35, 0x91,
+	0xcd, 0xbb, 0xa8, 0x99, 0x3d, 0x9d, 0x5a, 0x7e, 0x10, 0xa1, 0xd3, 0xd4, 0x68, 0x0d, 0x09, 0xc3,
+	0x20, 0x22, 0x5f, 0x43, 0x7a, 0x5d, 0x2c, 0x6f, 0xc9, 0xc5, 0x39, 0xb6, 0x2e, 0xbb, 0x58, 0xa0,
+	0xab, 0xe3, 0xdc, 0xfd, 0xcf, 0x92, 0x1b, 0xea, 0xca, 0x4d, 0x6f, 0xa8, 0x1f, 0x42, 0x59, 0xc4,
+	0xa8, 0xda, 0xeb, 0x62, 0x94, 0xc0, 0x65, 0xed, 0xb3, 0x91, 0xb7, 0xcf, 0x5f, 0x16, 0x80, 0x74,
+	0xa7, 0x53, 0x7f, 0x6c, 0xc7, 0xcc, 0x70, 0xa2, 0x8b, 0x66, 0x7a, 0xed, 0xcf, 0x2e, 0x9f, 0x41,
+	0x7d, 0xe6, 0x3b, 0x6c, 0x6a, 0x25, 0xdf, 0x94, 0x2e, 0xad, 0x7e, 0x10, 0xc6, 0x5b, 0x52, 0x02,
+	0x25, 0xbc, 0xc4, 0x51, 0xb0, 0xee, 0xc0, 0x67, 0xde, 0x84, 0xcd, 0xec, 0x97, 0xb2, 0x14, 0xe1,
+	0x8f, 0xa4, 0x03, 0xd5, 0x90, 0x45, 0x2c, 0x3c, 0x65, 0x57, 0x16, 0x55, 0x09, 0x48, 0x7b, 0x06,
+	0x1b, 0xb9, 0x1d, 0x49, 0x47, 0xbe, 0x85, 0x5f, 0x2b, 0xc3, 0x58, 0x7e, 0xb4, 0x12, 0x03, 0xfe,
+	0x3a, 0xe6, 0x25, 0x9f, 0x41, 0xf9, 0x63, 0xea, 0xf0, 0xc5, 0xab, 0xe2, 0xec, 0x1e, 0xa8, 0x59,
+	0x4d, 0xbb, 0x63, 0x0c, 0x36, 0xf2, 0x54, 0x0a, 0xd7, 0x3b, 0x15, 0xed, 0xef, 0x0a, 0xb0, 0xde,
+	0x75, 0x1c, 0xf1, 0x77, 0xc3, 0x25, 0xaa, 0x2f, 0x5e, 0x57, 0xf5, 0x0b, 0x81, 0x58, 0x84, 0x89,
+	0x6b, 0x05, 0xe2, 0x0f, 0xa1, 0x92, 0xd6, 0x5a, 0xc5, 0x05, 0x77, 0x16, 0x72, 0x51, 0x09, 0xd0,
+	0x6e, 0x01, 0xc9, 0x0a, 0x2b, 0xb4, 0xaa, 0xfd, 0x69, 0x11, 0xee, 0xee, 0xb2, 0x63, 0xd7, 0xcb,
+	0xbe, 0xe2, 0x57, 0xdf, 0xc9, 0xc5, 0x4f, 0x65, 0x9f, 0xc1, 0xba, 0x28, 0xe4, 0x93, 0x7f, 0x62,
+	0x59, 0xec, 0x58, 0x7e, 0x9d, 0x94, 0xb1, 0x6a, 0x0d, 0xf9, 0x07, 0x92, 0xad, 0xe3, 0x7f, 0xc5,
+	0x1c, 0x3b, 0xb6, 0x9f, 0xd9, 0x11, 0xb3, 0x5c, 0x47, 0xfe, 0x59, 0x06, 0x12, 0x92, 0xe1, 0x90,
+	0x21, 0x94, 0xb8, 0x0d, 0xa2, 0xeb, 0x36, 0xb7, 0xb7, 0x33, 0x62, 0x5d, 0xb2, 0x95, 0xac, 0x02,
+	0x0f, 0x7c, 0x87, 0xed, 0x54, 0x8f, 0x06, 0x4f, 0x06, 0xc3, 0xef, 0x06, 0x14, 0x17, 0x22, 0x06,
+	0xdc, 0x0a, 0x42, 0x76, 0xea, 0xfa, 0xf3, 0xc8, 0xca, 0x9e, 0x44, 0xf5, 0xca, 0x94, 0xb8, 0x91,
+	0xcc, 0xc9, 0x10, 0xb5, 0x9f, 0xc2, 0xda, 0xc2, 0xcb, 0x78, 0x6d, 0x26, 0x5f, 0xa7, 0xbe, 0x41,
+	0x56, 0xa1, 0x8e, 0x1f, 0xbb, 0x97, 0x7f, 0xfb, 0xd6, 0xfe, 0xb5, 0x80, 0x57, 0x4c, 0x33, 0x37,
+	0xbe, 0x59, 0x06, 0xfb, 0xcd, 0x7c, 0x06, 0x83, 0xed, 0x77, 0xf3, 0xe6, 0x9b, 0x59, 0xb0, 0xf3,
+	0xad, 0x00, 0xa6, 0x41, 0xa4, 0x6d, 0x43, 0x55, 0xd2, 0xc8, 0x6f, 0xc1, 0x5a, 0xe8, 0xfb, 0x71,
+	0xd2, 0x89, 0x8a, 0x0e, 0xe4, 0xf2, 0x3f, 0xdb, 0xac, 0x72, 0xb0, 0x48, 0x06, 0x4f, 0xf2, 0xbd,
+	0x48, 0x59, 0xfc, 0x0d, 0x44, 0x0e, 0x77, 0x1b, 0xbf, 0x5b, 0x4f, 0xff, 0xb7, 0xfb, 0xbf, 0x01,
+	0x00, 0x00, 0xff, 0xff, 0x35, 0x9f, 0x30, 0x98, 0xf2, 0x2b, 0x00, 0x00,
+}
diff --git a/vendor/google.golang.org/appengine/internal/datastore/datastore_v3.proto b/vendor/google.golang.org/appengine/internal/datastore/datastore_v3.proto
new file mode 100755
index 00000000..497b4d9a
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/datastore/datastore_v3.proto
@@ -0,0 +1,551 @@
+syntax = "proto2";
+option go_package = "datastore";
+
+package appengine;
+
+message Action{}
+
+message PropertyValue {
+  optional int64 int64Value = 1;
+  optional bool booleanValue = 2;
+  optional string stringValue = 3;
+  optional double doubleValue = 4;
+
+  optional group PointValue = 5 {
+    required double x = 6;
+    required double y = 7;
+  }
+
+  optional group UserValue = 8 {
+    required string email = 9;
+    required string auth_domain = 10;
+    optional string nickname = 11;
+    optional string federated_identity = 21;
+    optional string federated_provider = 22;
+  }
+
+  optional group ReferenceValue = 12 {
+    required string app = 13;
+    optional string name_space = 20;
+    repeated group PathElement = 14 {
+      required string type = 15;
+      optional int64 id = 16;
+      optional string name = 17;
+    }
+  }
+}
+
+message Property {
+  enum Meaning {
+    NO_MEANING = 0;
+    BLOB = 14;
+    TEXT = 15;
+    BYTESTRING = 16;
+
+    ATOM_CATEGORY = 1;
+    ATOM_LINK = 2;
+    ATOM_TITLE = 3;
+    ATOM_CONTENT = 4;
+    ATOM_SUMMARY = 5;
+    ATOM_AUTHOR = 6;
+
+    GD_WHEN = 7;
+    GD_EMAIL = 8;
+    GEORSS_POINT = 9;
+    GD_IM = 10;
+
+    GD_PHONENUMBER = 11;
+    GD_POSTALADDRESS = 12;
+
+    GD_RATING = 13;
+
+    BLOBKEY = 17;
+    ENTITY_PROTO = 19;
+
+    INDEX_VALUE = 18;
+  };
+
+  optional Meaning meaning = 1 [default = NO_MEANING];
+  optional string meaning_uri = 2;
+
+  required string name = 3;
+
+  required PropertyValue value = 5;
+
+  required bool multiple = 4;
+
+  optional bool searchable = 6 [default=false];
+
+  enum FtsTokenizationOption {
+    HTML = 1;
+    ATOM = 2;
+  }
+
+  optional FtsTokenizationOption fts_tokenization_option = 8;
+
+  optional string locale = 9 [default = "en"];
+}
+
+message Path {
+  repeated group Element = 1 {
+    required string type = 2;
+    optional int64 id = 3;
+    optional string name = 4;
+  }
+}
+
+message Reference {
+  required string app = 13;
+  optional string name_space = 20;
+  required Path path = 14;
+}
+
+message User {
+  required string email = 1;
+  required string auth_domain = 2;
+  optional string nickname = 3;
+  optional string federated_identity = 6;
+  optional string federated_provider = 7;
+}
+
+message EntityProto {
+  required Reference key = 13;
+  required Path entity_group = 16;
+  optional User owner = 17;
+
+  enum Kind {
+    GD_CONTACT = 1;
+    GD_EVENT = 2;
+    GD_MESSAGE = 3;
+  }
+  optional Kind kind = 4;
+  optional string kind_uri = 5;
+
+  repeated Property property = 14;
+  repeated Property raw_property = 15;
+
+  optional int32 rank = 18;
+}
+
+message CompositeProperty {
+  required int64 index_id = 1;
+  repeated string value = 2;
+}
+
+message Index {
+  required string entity_type = 1;
+  required bool ancestor = 5;
+  repeated group Property = 2 {
+    required string name = 3;
+    enum Direction {
+      ASCENDING = 1;
+      DESCENDING = 2;
+    }
+    optional Direction direction = 4 [default = ASCENDING];
+  }
+}
+
+message CompositeIndex {
+  required string app_id = 1;
+  required int64 id = 2;
+  required Index definition = 3;
+
+  enum State {
+    WRITE_ONLY = 1;
+    READ_WRITE = 2;
+    DELETED = 3;
+    ERROR = 4;
+  }
+  required State state = 4;
+
+  optional bool only_use_if_required = 6 [default = false];
+}
+
+message IndexPostfix {
+  message IndexValue {
+    required string property_name = 1;
+    required PropertyValue value = 2;
+  }
+
+  repeated IndexValue index_value = 1;
+
+  optional Reference key = 2;
+
+  optional bool before = 3 [default=true];
+}
+
+message IndexPosition {
+  optional string key = 1;
+
+  optional bool before = 2 [default=true];
+}
+
+message Snapshot {
+  enum Status {
+    INACTIVE = 0;
+    ACTIVE = 1;
+  }
+
+  required int64 ts = 1;
+}
+
+message InternalHeader {
+  optional string qos = 1;
+}
+
+message Transaction {
+  optional InternalHeader header = 4;
+  required fixed64 handle = 1;
+  required string app = 2;
+  optional bool mark_changes = 3 [default = false];
+}
+
+message Query {
+  optional InternalHeader header = 39;
+
+  required string app = 1;
+  optional string name_space = 29;
+
+  optional string kind = 3;
+  optional Reference ancestor = 17;
+
+  repeated group Filter = 4 {
+    enum Operator {
+      LESS_THAN = 1;
+      LESS_THAN_OR_EQUAL = 2;
+      GREATER_THAN = 3;
+      GREATER_THAN_OR_EQUAL = 4;
+      EQUAL = 5;
+      IN = 6;
+      EXISTS = 7;
+    }
+
+    required Operator op = 6;
+    repeated Property property = 14;
+  }
+
+  optional string search_query = 8;
+
+  repeated group Order = 9 {
+    enum Direction {
+      ASCENDING = 1;
+      DESCENDING = 2;
+    }
+
+    required string property = 10;
+    optional Direction direction = 11 [default = ASCENDING];
+  }
+
+  enum Hint {
+    ORDER_FIRST = 1;
+    ANCESTOR_FIRST = 2;
+    FILTER_FIRST = 3;
+  }
+  optional Hint hint = 18;
+
+  optional int32 count = 23;
+
+  optional int32 offset = 12 [default = 0];
+
+  optional int32 limit = 16;
+
+  optional CompiledCursor compiled_cursor = 30;
+  optional CompiledCursor end_compiled_cursor = 31;
+
+  repeated CompositeIndex composite_index = 19;
+
+  optional bool require_perfect_plan = 20 [default = false];
+
+  optional bool keys_only = 21 [default = false];
+
+  optional Transaction transaction = 22;
+
+  optional bool compile = 25 [default = false];
+
+  optional int64 failover_ms = 26;
+
+  optional bool strong = 32;
+
+  repeated string property_name = 33;
+
+  repeated string group_by_property_name = 34;
+
+  optional bool distinct = 24;
+
+  optional int64 min_safe_time_seconds = 35;
+
+  repeated string safe_replica_name = 36;
+
+  optional bool persist_offset = 37 [default=false];
+}
+
+message CompiledQuery {
+  required group PrimaryScan = 1 {
+    optional string index_name = 2;
+
+    optional string start_key = 3;
+    optional bool start_inclusive = 4;
+    optional string end_key = 5;
+    optional bool end_inclusive = 6;
+
+    repeated string start_postfix_value = 22;
+    repeated string end_postfix_value = 23;
+
+    optional int64 end_unapplied_log_timestamp_us = 19;
+  }
+
+  repeated group MergeJoinScan = 7 {
+    required string index_name = 8;
+
+    repeated string prefix_value = 9;
+
+    optional bool value_prefix = 20 [default=false];
+  }
+
+  optional Index index_def = 21;
+
+  optional int32 offset = 10 [default = 0];
+
+  optional int32 limit = 11;
+
+  required bool keys_only = 12;
+
+  repeated string property_name = 24;
+
+  optional int32 distinct_infix_size = 25;
+
+  optional group EntityFilter = 13 {
+    optional bool distinct = 14 [default=false];
+
+    optional string kind = 17;
+    optional Reference ancestor = 18;
+  }
+}
+
+message CompiledCursor {
+  optional group Position = 2 {
+    optional string start_key = 27;
+
+    repeated group IndexValue = 29 {
+      optional string property = 30;
+      required PropertyValue value = 31;
+    }
+
+    optional Reference key = 32;
+
+    optional bool start_inclusive = 28 [default=true];
+  }
+}
+
+message Cursor {
+  required fixed64 cursor = 1;
+
+  optional string app = 2;
+}
+
+message Error {
+  enum ErrorCode {
+    BAD_REQUEST = 1;
+    CONCURRENT_TRANSACTION = 2;
+    INTERNAL_ERROR = 3;
+    NEED_INDEX = 4;
+    TIMEOUT = 5;
+    PERMISSION_DENIED = 6;
+    BIGTABLE_ERROR = 7;
+    COMMITTED_BUT_STILL_APPLYING = 8;
+    CAPABILITY_DISABLED = 9;
+    TRY_ALTERNATE_BACKEND = 10;
+    SAFE_TIME_TOO_OLD = 11;
+  }
+}
+
+message Cost {
+  optional int32 index_writes = 1;
+  optional int32 index_write_bytes = 2;
+  optional int32 entity_writes = 3;
+  optional int32 entity_write_bytes = 4;
+  optional group CommitCost = 5 {
+    optional int32 requested_entity_puts = 6;
+    optional int32 requested_entity_deletes = 7;
+  };
+  optional int32 approximate_storage_delta = 8;
+  optional int32 id_sequence_updates = 9;
+}
+
+message GetRequest {
+  optional InternalHeader header = 6;
+
+  repeated Reference key = 1;
+  optional Transaction transaction = 2;
+
+  optional int64 failover_ms = 3;
+
+  optional bool strong = 4;
+
+  optional bool allow_deferred = 5 [default=false];
+}
+
+message GetResponse {
+  repeated group Entity = 1 {
+    optional EntityProto entity = 2;
+    optional Reference key = 4;
+
+    optional int64 version = 3;
+  }
+
+  repeated Reference deferred = 5;
+
+  optional bool in_order = 6 [default=true];
+}
+
+message PutRequest {
+  optional InternalHeader header = 11;
+
+  repeated EntityProto entity = 1;
+  optional Transaction transaction = 2;
+  repeated CompositeIndex composite_index = 3;
+
+  optional bool trusted = 4 [default = false];
+
+  optional bool force = 7 [default = false];
+
+  optional bool mark_changes = 8 [default = false];
+  repeated Snapshot snapshot = 9;
+
+  enum AutoIdPolicy {
+    CURRENT = 0;
+    SEQUENTIAL = 1;
+  }
+  optional AutoIdPolicy auto_id_policy = 10 [default = CURRENT];
+}
+
+message PutResponse {
+  repeated Reference key = 1;
+  optional Cost cost = 2;
+  repeated int64 version = 3;
+}
+
+message TouchRequest {
+  optional InternalHeader header = 10;
+
+  repeated Reference key = 1;
+  repeated CompositeIndex composite_index = 2;
+  optional bool force = 3 [default = false];
+  repeated Snapshot snapshot = 9;
+}
+
+message TouchResponse {
+  optional Cost cost = 1;
+}
+
+message DeleteRequest {
+  optional InternalHeader header = 10;
+
+  repeated Reference key = 6;
+  optional Transaction transaction = 5;
+
+  optional bool trusted = 4 [default = false];
+
+  optional bool force = 7 [default = false];
+
+  optional bool mark_changes = 8 [default = false];
+  repeated Snapshot snapshot = 9;
+}
+
+message DeleteResponse {
+  optional Cost cost = 1;
+  repeated int64 version = 3;
+}
+
+message NextRequest {
+  optional InternalHeader header = 5;
+
+  required Cursor cursor = 1;
+  optional int32 count = 2;
+
+  optional int32 offset = 4 [default = 0];
+
+  optional bool compile = 3 [default = false];
+}
+
+message QueryResult {
+  optional Cursor cursor = 1;
+
+  repeated EntityProto result = 2;
+
+  optional int32 skipped_results = 7;
+
+  required bool more_results = 3;
+
+  optional bool keys_only = 4;
+
+  optional bool index_only = 9;
+
+  optional bool small_ops = 10;
+
+  optional CompiledQuery compiled_query = 5;
+
+  optional CompiledCursor compiled_cursor = 6;
+
+  repeated CompositeIndex index = 8;
+
+  repeated int64 version = 11;
+}
+
+message AllocateIdsRequest {
+  optional InternalHeader header = 4;
+
+  optional Reference model_key = 1;
+
+  optional int64 size = 2;
+
+  optional int64 max = 3;
+
+  repeated Reference reserve = 5;
+}
+
+message AllocateIdsResponse {
+  required int64 start = 1;
+  required int64 end = 2;
+  optional Cost cost = 3;
+}
+
+message CompositeIndices {
+  repeated CompositeIndex index = 1;
+}
+
+message AddActionsRequest {
+  optional InternalHeader header = 3;
+
+  required Transaction transaction = 1;
+  repeated Action action = 2;
+}
+
+message AddActionsResponse {
+}
+
+message BeginTransactionRequest {
+  optional InternalHeader header = 3;
+
+  required string app = 1;
+  optional bool allow_multiple_eg = 2 [default = false];
+  optional string database_id = 4;
+
+  enum TransactionMode {
+    UNKNOWN = 0;
+    READ_ONLY = 1;
+    READ_WRITE = 2;
+  }
+  optional TransactionMode mode = 5 [default = UNKNOWN];
+
+  optional Transaction previous_transaction = 7;
+}
+
+message CommitResponse {
+  optional Cost cost = 1;
+
+  repeated group Version = 3 {
+    required Reference root_entity_key = 4;
+    required int64 version = 5;
+  }
+}
diff --git a/vendor/google.golang.org/appengine/internal/identity.go b/vendor/google.golang.org/appengine/internal/identity.go
new file mode 100644
index 00000000..d538701a
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/identity.go
@@ -0,0 +1,14 @@
+// Copyright 2011 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package internal
+
+import netcontext "golang.org/x/net/context"
+
+// These functions are implementations of the wrapper functions
+// in ../appengine/identity.go. See that file for commentary.
+
+func AppID(c netcontext.Context) string {
+	return appID(FullyQualifiedAppID(c))
+}
diff --git a/vendor/google.golang.org/appengine/internal/identity_classic.go b/vendor/google.golang.org/appengine/internal/identity_classic.go
new file mode 100644
index 00000000..b59603f1
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/identity_classic.go
@@ -0,0 +1,57 @@
+// Copyright 2015 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+// +build appengine
+
+package internal
+
+import (
+	"appengine"
+
+	netcontext "golang.org/x/net/context"
+)
+
+func DefaultVersionHostname(ctx netcontext.Context) string {
+	c := fromContext(ctx)
+	if c == nil {
+		panic(errNotAppEngineContext)
+	}
+	return appengine.DefaultVersionHostname(c)
+}
+
+func Datacenter(_ netcontext.Context) string { return appengine.Datacenter() }
+func ServerSoftware() string                 { return appengine.ServerSoftware() }
+func InstanceID() string                     { return appengine.InstanceID() }
+func IsDevAppServer() bool                   { return appengine.IsDevAppServer() }
+
+func RequestID(ctx netcontext.Context) string {
+	c := fromContext(ctx)
+	if c == nil {
+		panic(errNotAppEngineContext)
+	}
+	return appengine.RequestID(c)
+}
+
+func ModuleName(ctx netcontext.Context) string {
+	c := fromContext(ctx)
+	if c == nil {
+		panic(errNotAppEngineContext)
+	}
+	return appengine.ModuleName(c)
+}
+func VersionID(ctx netcontext.Context) string {
+	c := fromContext(ctx)
+	if c == nil {
+		panic(errNotAppEngineContext)
+	}
+	return appengine.VersionID(c)
+}
+
+func fullyQualifiedAppID(ctx netcontext.Context) string {
+	c := fromContext(ctx)
+	if c == nil {
+		panic(errNotAppEngineContext)
+	}
+	return c.FullyQualifiedAppID()
+}
diff --git a/vendor/google.golang.org/appengine/internal/identity_vm.go b/vendor/google.golang.org/appengine/internal/identity_vm.go
new file mode 100644
index 00000000..5d806726
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/identity_vm.go
@@ -0,0 +1,134 @@
+// Copyright 2011 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+// +build !appengine
+
+package internal
+
+import (
+	"log"
+	"net/http"
+	"os"
+	"strings"
+
+	netcontext "golang.org/x/net/context"
+)
+
+// These functions are implementations of the wrapper functions
+// in ../appengine/identity.go. See that file for commentary.
+
+const (
+	hDefaultVersionHostname = "X-AppEngine-Default-Version-Hostname"
+	hRequestLogId           = "X-AppEngine-Request-Log-Id"
+	hDatacenter             = "X-AppEngine-Datacenter"
+)
+
+func ctxHeaders(ctx netcontext.Context) http.Header {
+	c := fromContext(ctx)
+	if c == nil {
+		return nil
+	}
+	return c.Request().Header
+}
+
+func DefaultVersionHostname(ctx netcontext.Context) string {
+	return ctxHeaders(ctx).Get(hDefaultVersionHostname)
+}
+
+func RequestID(ctx netcontext.Context) string {
+	return ctxHeaders(ctx).Get(hRequestLogId)
+}
+
+func Datacenter(ctx netcontext.Context) string {
+	if dc := ctxHeaders(ctx).Get(hDatacenter); dc != "" {
+		return dc
+	}
+	// If the header isn't set, read zone from the metadata service.
+	// It has the format projects/[NUMERIC_PROJECT_ID]/zones/[ZONE]
+	zone, err := getMetadata("instance/zone")
+	if err != nil {
+		log.Printf("Datacenter: %v", err)
+		return ""
+	}
+	parts := strings.Split(string(zone), "/")
+	if len(parts) == 0 {
+		return ""
+	}
+	return parts[len(parts)-1]
+}
+
+func ServerSoftware() string {
+	// TODO(dsymonds): Remove fallback when we've verified this.
+	if s := os.Getenv("SERVER_SOFTWARE"); s != "" {
+		return s
+	}
+	if s := os.Getenv("GAE_ENV"); s != "" {
+		return s
+	}
+	return "Google App Engine/1.x.x"
+}
+
+// TODO(dsymonds): Remove the metadata fetches.
+
+func ModuleName(_ netcontext.Context) string {
+	if s := os.Getenv("GAE_MODULE_NAME"); s != "" {
+		return s
+	}
+	if s := os.Getenv("GAE_SERVICE"); s != "" {
+		return s
+	}
+	return string(mustGetMetadata("instance/attributes/gae_backend_name"))
+}
+
+func VersionID(_ netcontext.Context) string {
+	if s1, s2 := os.Getenv("GAE_MODULE_VERSION"), os.Getenv("GAE_MINOR_VERSION"); s1 != "" && s2 != "" {
+		return s1 + "." + s2
+	}
+	if s1, s2 := os.Getenv("GAE_VERSION"), os.Getenv("GAE_DEPLOYMENT_ID"); s1 != "" && s2 != "" {
+		return s1 + "." + s2
+	}
+	return string(mustGetMetadata("instance/attributes/gae_backend_version")) + "." + string(mustGetMetadata("instance/attributes/gae_backend_minor_version"))
+}
+
+func InstanceID() string {
+	if s := os.Getenv("GAE_MODULE_INSTANCE"); s != "" {
+		return s
+	}
+	if s := os.Getenv("GAE_INSTANCE"); s != "" {
+		return s
+	}
+	return string(mustGetMetadata("instance/attributes/gae_backend_instance"))
+}
+
+func partitionlessAppID() string {
+	// gae_project has everything except the partition prefix.
+	if appID := os.Getenv("GAE_LONG_APP_ID"); appID != "" {
+		return appID
+	}
+	if project := os.Getenv("GOOGLE_CLOUD_PROJECT"); project != "" {
+		return project
+	}
+	return string(mustGetMetadata("instance/attributes/gae_project"))
+}
+
+func fullyQualifiedAppID(_ netcontext.Context) string {
+	if s := os.Getenv("GAE_APPLICATION"); s != "" {
+		return s
+	}
+	appID := partitionlessAppID()
+
+	part := os.Getenv("GAE_PARTITION")
+	if part == "" {
+		part = string(mustGetMetadata("instance/attributes/gae_partition"))
+	}
+
+	if part != "" {
+		appID = part + "~" + appID
+	}
+	return appID
+}
+
+func IsDevAppServer() bool {
+	return os.Getenv("RUN_WITH_DEVAPPSERVER") != ""
+}
diff --git a/vendor/google.golang.org/appengine/internal/internal.go b/vendor/google.golang.org/appengine/internal/internal.go
new file mode 100644
index 00000000..051ea398
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/internal.go
@@ -0,0 +1,110 @@
+// Copyright 2011 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+// Package internal provides support for package appengine.
+//
+// Programs should not use this package directly. Its API is not stable.
+// Use packages appengine and appengine/* instead.
+package internal
+
+import (
+	"fmt"
+
+	"github.com/golang/protobuf/proto"
+
+	remotepb "google.golang.org/appengine/internal/remote_api"
+)
+
+// errorCodeMaps is a map of service name to the error code map for the service.
+var errorCodeMaps = make(map[string]map[int32]string)
+
+// RegisterErrorCodeMap is called from API implementations to register their
+// error code map. This should only be called from init functions.
+func RegisterErrorCodeMap(service string, m map[int32]string) {
+	errorCodeMaps[service] = m
+}
+
+type timeoutCodeKey struct {
+	service string
+	code    int32
+}
+
+// timeoutCodes is the set of service+code pairs that represent timeouts.
+var timeoutCodes = make(map[timeoutCodeKey]bool)
+
+func RegisterTimeoutErrorCode(service string, code int32) {
+	timeoutCodes[timeoutCodeKey{service, code}] = true
+}
+
+// APIError is the type returned by appengine.Context's Call method
+// when an API call fails in an API-specific way. This may be, for instance,
+// a taskqueue API call failing with TaskQueueServiceError::UNKNOWN_QUEUE.
+type APIError struct {
+	Service string
+	Detail  string
+	Code    int32 // API-specific error code
+}
+
+func (e *APIError) Error() string {
+	if e.Code == 0 {
+		if e.Detail == "" {
+			return "APIError <empty>"
+		}
+		return e.Detail
+	}
+	s := fmt.Sprintf("API error %d", e.Code)
+	if m, ok := errorCodeMaps[e.Service]; ok {
+		s += " (" + e.Service + ": " + m[e.Code] + ")"
+	} else {
+		// Shouldn't happen, but provide a bit more detail if it does.
+		s = e.Service + " " + s
+	}
+	if e.Detail != "" {
+		s += ": " + e.Detail
+	}
+	return s
+}
+
+func (e *APIError) IsTimeout() bool {
+	return timeoutCodes[timeoutCodeKey{e.Service, e.Code}]
+}
+
+// CallError is the type returned by appengine.Context's Call method when an
+// API call fails in a generic way, such as RpcError::CAPABILITY_DISABLED.
+type CallError struct {
+	Detail string
+	Code   int32
+	// TODO: Remove this if we get a distinguishable error code.
+	Timeout bool
+}
+
+func (e *CallError) Error() string {
+	var msg string
+	switch remotepb.RpcError_ErrorCode(e.Code) {
+	case remotepb.RpcError_UNKNOWN:
+		return e.Detail
+	case remotepb.RpcError_OVER_QUOTA:
+		msg = "Over quota"
+	case remotepb.RpcError_CAPABILITY_DISABLED:
+		msg = "Capability disabled"
+	case remotepb.RpcError_CANCELLED:
+		msg = "Canceled"
+	default:
+		msg = fmt.Sprintf("Call error %d", e.Code)
+	}
+	s := msg + ": " + e.Detail
+	if e.Timeout {
+		s += " (timeout)"
+	}
+	return s
+}
+
+func (e *CallError) IsTimeout() bool {
+	return e.Timeout
+}
+
+// NamespaceMods is a map from API service to a function that will mutate an RPC request to attach a namespace.
+// The function should be prepared to be called on the same message more than once; it should only modify the
+// RPC request the first time.
+var NamespaceMods = make(map[string]func(m proto.Message, namespace string))
diff --git a/vendor/google.golang.org/appengine/internal/log/log_service.pb.go b/vendor/google.golang.org/appengine/internal/log/log_service.pb.go
new file mode 100644
index 00000000..8545ac4a
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/log/log_service.pb.go
@@ -0,0 +1,1313 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: google.golang.org/appengine/internal/log/log_service.proto
+
+package log
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type LogServiceError_ErrorCode int32
+
+const (
+	LogServiceError_OK              LogServiceError_ErrorCode = 0
+	LogServiceError_INVALID_REQUEST LogServiceError_ErrorCode = 1
+	LogServiceError_STORAGE_ERROR   LogServiceError_ErrorCode = 2
+)
+
+var LogServiceError_ErrorCode_name = map[int32]string{
+	0: "OK",
+	1: "INVALID_REQUEST",
+	2: "STORAGE_ERROR",
+}
+var LogServiceError_ErrorCode_value = map[string]int32{
+	"OK":              0,
+	"INVALID_REQUEST": 1,
+	"STORAGE_ERROR":   2,
+}
+
+func (x LogServiceError_ErrorCode) Enum() *LogServiceError_ErrorCode {
+	p := new(LogServiceError_ErrorCode)
+	*p = x
+	return p
+}
+func (x LogServiceError_ErrorCode) String() string {
+	return proto.EnumName(LogServiceError_ErrorCode_name, int32(x))
+}
+func (x *LogServiceError_ErrorCode) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(LogServiceError_ErrorCode_value, data, "LogServiceError_ErrorCode")
+	if err != nil {
+		return err
+	}
+	*x = LogServiceError_ErrorCode(value)
+	return nil
+}
+func (LogServiceError_ErrorCode) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_log_service_f054fd4b5012319d, []int{0, 0}
+}
+
+type LogServiceError struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *LogServiceError) Reset()         { *m = LogServiceError{} }
+func (m *LogServiceError) String() string { return proto.CompactTextString(m) }
+func (*LogServiceError) ProtoMessage()    {}
+func (*LogServiceError) Descriptor() ([]byte, []int) {
+	return fileDescriptor_log_service_f054fd4b5012319d, []int{0}
+}
+func (m *LogServiceError) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_LogServiceError.Unmarshal(m, b)
+}
+func (m *LogServiceError) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_LogServiceError.Marshal(b, m, deterministic)
+}
+func (dst *LogServiceError) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_LogServiceError.Merge(dst, src)
+}
+func (m *LogServiceError) XXX_Size() int {
+	return xxx_messageInfo_LogServiceError.Size(m)
+}
+func (m *LogServiceError) XXX_DiscardUnknown() {
+	xxx_messageInfo_LogServiceError.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_LogServiceError proto.InternalMessageInfo
+
+type UserAppLogLine struct {
+	TimestampUsec        *int64   `protobuf:"varint,1,req,name=timestamp_usec,json=timestampUsec" json:"timestamp_usec,omitempty"`
+	Level                *int64   `protobuf:"varint,2,req,name=level" json:"level,omitempty"`
+	Message              *string  `protobuf:"bytes,3,req,name=message" json:"message,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *UserAppLogLine) Reset()         { *m = UserAppLogLine{} }
+func (m *UserAppLogLine) String() string { return proto.CompactTextString(m) }
+func (*UserAppLogLine) ProtoMessage()    {}
+func (*UserAppLogLine) Descriptor() ([]byte, []int) {
+	return fileDescriptor_log_service_f054fd4b5012319d, []int{1}
+}
+func (m *UserAppLogLine) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_UserAppLogLine.Unmarshal(m, b)
+}
+func (m *UserAppLogLine) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_UserAppLogLine.Marshal(b, m, deterministic)
+}
+func (dst *UserAppLogLine) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_UserAppLogLine.Merge(dst, src)
+}
+func (m *UserAppLogLine) XXX_Size() int {
+	return xxx_messageInfo_UserAppLogLine.Size(m)
+}
+func (m *UserAppLogLine) XXX_DiscardUnknown() {
+	xxx_messageInfo_UserAppLogLine.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_UserAppLogLine proto.InternalMessageInfo
+
+func (m *UserAppLogLine) GetTimestampUsec() int64 {
+	if m != nil && m.TimestampUsec != nil {
+		return *m.TimestampUsec
+	}
+	return 0
+}
+
+func (m *UserAppLogLine) GetLevel() int64 {
+	if m != nil && m.Level != nil {
+		return *m.Level
+	}
+	return 0
+}
+
+func (m *UserAppLogLine) GetMessage() string {
+	if m != nil && m.Message != nil {
+		return *m.Message
+	}
+	return ""
+}
+
+type UserAppLogGroup struct {
+	LogLine              []*UserAppLogLine `protobuf:"bytes,2,rep,name=log_line,json=logLine" json:"log_line,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
+	XXX_unrecognized     []byte            `json:"-"`
+	XXX_sizecache        int32             `json:"-"`
+}
+
+func (m *UserAppLogGroup) Reset()         { *m = UserAppLogGroup{} }
+func (m *UserAppLogGroup) String() string { return proto.CompactTextString(m) }
+func (*UserAppLogGroup) ProtoMessage()    {}
+func (*UserAppLogGroup) Descriptor() ([]byte, []int) {
+	return fileDescriptor_log_service_f054fd4b5012319d, []int{2}
+}
+func (m *UserAppLogGroup) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_UserAppLogGroup.Unmarshal(m, b)
+}
+func (m *UserAppLogGroup) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_UserAppLogGroup.Marshal(b, m, deterministic)
+}
+func (dst *UserAppLogGroup) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_UserAppLogGroup.Merge(dst, src)
+}
+func (m *UserAppLogGroup) XXX_Size() int {
+	return xxx_messageInfo_UserAppLogGroup.Size(m)
+}
+func (m *UserAppLogGroup) XXX_DiscardUnknown() {
+	xxx_messageInfo_UserAppLogGroup.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_UserAppLogGroup proto.InternalMessageInfo
+
+func (m *UserAppLogGroup) GetLogLine() []*UserAppLogLine {
+	if m != nil {
+		return m.LogLine
+	}
+	return nil
+}
+
+type FlushRequest struct {
+	Logs                 []byte   `protobuf:"bytes,1,opt,name=logs" json:"logs,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *FlushRequest) Reset()         { *m = FlushRequest{} }
+func (m *FlushRequest) String() string { return proto.CompactTextString(m) }
+func (*FlushRequest) ProtoMessage()    {}
+func (*FlushRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_log_service_f054fd4b5012319d, []int{3}
+}
+func (m *FlushRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_FlushRequest.Unmarshal(m, b)
+}
+func (m *FlushRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_FlushRequest.Marshal(b, m, deterministic)
+}
+func (dst *FlushRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FlushRequest.Merge(dst, src)
+}
+func (m *FlushRequest) XXX_Size() int {
+	return xxx_messageInfo_FlushRequest.Size(m)
+}
+func (m *FlushRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_FlushRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_FlushRequest proto.InternalMessageInfo
+
+func (m *FlushRequest) GetLogs() []byte {
+	if m != nil {
+		return m.Logs
+	}
+	return nil
+}
+
+type SetStatusRequest struct {
+	Status               *string  `protobuf:"bytes,1,req,name=status" json:"status,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *SetStatusRequest) Reset()         { *m = SetStatusRequest{} }
+func (m *SetStatusRequest) String() string { return proto.CompactTextString(m) }
+func (*SetStatusRequest) ProtoMessage()    {}
+func (*SetStatusRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_log_service_f054fd4b5012319d, []int{4}
+}
+func (m *SetStatusRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_SetStatusRequest.Unmarshal(m, b)
+}
+func (m *SetStatusRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_SetStatusRequest.Marshal(b, m, deterministic)
+}
+func (dst *SetStatusRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_SetStatusRequest.Merge(dst, src)
+}
+func (m *SetStatusRequest) XXX_Size() int {
+	return xxx_messageInfo_SetStatusRequest.Size(m)
+}
+func (m *SetStatusRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_SetStatusRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_SetStatusRequest proto.InternalMessageInfo
+
+func (m *SetStatusRequest) GetStatus() string {
+	if m != nil && m.Status != nil {
+		return *m.Status
+	}
+	return ""
+}
+
+type LogOffset struct {
+	RequestId            []byte   `protobuf:"bytes,1,opt,name=request_id,json=requestId" json:"request_id,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *LogOffset) Reset()         { *m = LogOffset{} }
+func (m *LogOffset) String() string { return proto.CompactTextString(m) }
+func (*LogOffset) ProtoMessage()    {}
+func (*LogOffset) Descriptor() ([]byte, []int) {
+	return fileDescriptor_log_service_f054fd4b5012319d, []int{5}
+}
+func (m *LogOffset) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_LogOffset.Unmarshal(m, b)
+}
+func (m *LogOffset) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_LogOffset.Marshal(b, m, deterministic)
+}
+func (dst *LogOffset) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_LogOffset.Merge(dst, src)
+}
+func (m *LogOffset) XXX_Size() int {
+	return xxx_messageInfo_LogOffset.Size(m)
+}
+func (m *LogOffset) XXX_DiscardUnknown() {
+	xxx_messageInfo_LogOffset.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_LogOffset proto.InternalMessageInfo
+
+func (m *LogOffset) GetRequestId() []byte {
+	if m != nil {
+		return m.RequestId
+	}
+	return nil
+}
+
+type LogLine struct {
+	Time                 *int64   `protobuf:"varint,1,req,name=time" json:"time,omitempty"`
+	Level                *int32   `protobuf:"varint,2,req,name=level" json:"level,omitempty"`
+	LogMessage           *string  `protobuf:"bytes,3,req,name=log_message,json=logMessage" json:"log_message,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *LogLine) Reset()         { *m = LogLine{} }
+func (m *LogLine) String() string { return proto.CompactTextString(m) }
+func (*LogLine) ProtoMessage()    {}
+func (*LogLine) Descriptor() ([]byte, []int) {
+	return fileDescriptor_log_service_f054fd4b5012319d, []int{6}
+}
+func (m *LogLine) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_LogLine.Unmarshal(m, b)
+}
+func (m *LogLine) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_LogLine.Marshal(b, m, deterministic)
+}
+func (dst *LogLine) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_LogLine.Merge(dst, src)
+}
+func (m *LogLine) XXX_Size() int {
+	return xxx_messageInfo_LogLine.Size(m)
+}
+func (m *LogLine) XXX_DiscardUnknown() {
+	xxx_messageInfo_LogLine.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_LogLine proto.InternalMessageInfo
+
+func (m *LogLine) GetTime() int64 {
+	if m != nil && m.Time != nil {
+		return *m.Time
+	}
+	return 0
+}
+
+func (m *LogLine) GetLevel() int32 {
+	if m != nil && m.Level != nil {
+		return *m.Level
+	}
+	return 0
+}
+
+func (m *LogLine) GetLogMessage() string {
+	if m != nil && m.LogMessage != nil {
+		return *m.LogMessage
+	}
+	return ""
+}
+
+type RequestLog struct {
+	AppId                   *string    `protobuf:"bytes,1,req,name=app_id,json=appId" json:"app_id,omitempty"`
+	ModuleId                *string    `protobuf:"bytes,37,opt,name=module_id,json=moduleId,def=default" json:"module_id,omitempty"`
+	VersionId               *string    `protobuf:"bytes,2,req,name=version_id,json=versionId" json:"version_id,omitempty"`
+	RequestId               []byte     `protobuf:"bytes,3,req,name=request_id,json=requestId" json:"request_id,omitempty"`
+	Offset                  *LogOffset `protobuf:"bytes,35,opt,name=offset" json:"offset,omitempty"`
+	Ip                      *string    `protobuf:"bytes,4,req,name=ip" json:"ip,omitempty"`
+	Nickname                *string    `protobuf:"bytes,5,opt,name=nickname" json:"nickname,omitempty"`
+	StartTime               *int64     `protobuf:"varint,6,req,name=start_time,json=startTime" json:"start_time,omitempty"`
+	EndTime                 *int64     `protobuf:"varint,7,req,name=end_time,json=endTime" json:"end_time,omitempty"`
+	Latency                 *int64     `protobuf:"varint,8,req,name=latency" json:"latency,omitempty"`
+	Mcycles                 *int64     `protobuf:"varint,9,req,name=mcycles" json:"mcycles,omitempty"`
+	Method                  *string    `protobuf:"bytes,10,req,name=method" json:"method,omitempty"`
+	Resource                *string    `protobuf:"bytes,11,req,name=resource" json:"resource,omitempty"`
+	HttpVersion             *string    `protobuf:"bytes,12,req,name=http_version,json=httpVersion" json:"http_version,omitempty"`
+	Status                  *int32     `protobuf:"varint,13,req,name=status" json:"status,omitempty"`
+	ResponseSize            *int64     `protobuf:"varint,14,req,name=response_size,json=responseSize" json:"response_size,omitempty"`
+	Referrer                *string    `protobuf:"bytes,15,opt,name=referrer" json:"referrer,omitempty"`
+	UserAgent               *string    `protobuf:"bytes,16,opt,name=user_agent,json=userAgent" json:"user_agent,omitempty"`
+	UrlMapEntry             *string    `protobuf:"bytes,17,req,name=url_map_entry,json=urlMapEntry" json:"url_map_entry,omitempty"`
+	Combined                *string    `protobuf:"bytes,18,req,name=combined" json:"combined,omitempty"`
+	ApiMcycles              *int64     `protobuf:"varint,19,opt,name=api_mcycles,json=apiMcycles" json:"api_mcycles,omitempty"`
+	Host                    *string    `protobuf:"bytes,20,opt,name=host" json:"host,omitempty"`
+	Cost                    *float64   `protobuf:"fixed64,21,opt,name=cost" json:"cost,omitempty"`
+	TaskQueueName           *string    `protobuf:"bytes,22,opt,name=task_queue_name,json=taskQueueName" json:"task_queue_name,omitempty"`
+	TaskName                *string    `protobuf:"bytes,23,opt,name=task_name,json=taskName" json:"task_name,omitempty"`
+	WasLoadingRequest       *bool      `protobuf:"varint,24,opt,name=was_loading_request,json=wasLoadingRequest" json:"was_loading_request,omitempty"`
+	PendingTime             *int64     `protobuf:"varint,25,opt,name=pending_time,json=pendingTime" json:"pending_time,omitempty"`
+	ReplicaIndex            *int32     `protobuf:"varint,26,opt,name=replica_index,json=replicaIndex,def=-1" json:"replica_index,omitempty"`
+	Finished                *bool      `protobuf:"varint,27,opt,name=finished,def=1" json:"finished,omitempty"`
+	CloneKey                []byte     `protobuf:"bytes,28,opt,name=clone_key,json=cloneKey" json:"clone_key,omitempty"`
+	Line                    []*LogLine `protobuf:"bytes,29,rep,name=line" json:"line,omitempty"`
+	LinesIncomplete         *bool      `protobuf:"varint,36,opt,name=lines_incomplete,json=linesIncomplete" json:"lines_incomplete,omitempty"`
+	AppEngineRelease        []byte     `protobuf:"bytes,38,opt,name=app_engine_release,json=appEngineRelease" json:"app_engine_release,omitempty"`
+	ExitReason              *int32     `protobuf:"varint,30,opt,name=exit_reason,json=exitReason" json:"exit_reason,omitempty"`
+	WasThrottledForTime     *bool      `protobuf:"varint,31,opt,name=was_throttled_for_time,json=wasThrottledForTime" json:"was_throttled_for_time,omitempty"`
+	WasThrottledForRequests *bool      `protobuf:"varint,32,opt,name=was_throttled_for_requests,json=wasThrottledForRequests" json:"was_throttled_for_requests,omitempty"`
+	ThrottledTime           *int64     `protobuf:"varint,33,opt,name=throttled_time,json=throttledTime" json:"throttled_time,omitempty"`
+	ServerName              []byte     `protobuf:"bytes,34,opt,name=server_name,json=serverName" json:"server_name,omitempty"`
+	XXX_NoUnkeyedLiteral    struct{}   `json:"-"`
+	XXX_unrecognized        []byte     `json:"-"`
+	XXX_sizecache           int32      `json:"-"`
+}
+
+func (m *RequestLog) Reset()         { *m = RequestLog{} }
+func (m *RequestLog) String() string { return proto.CompactTextString(m) }
+func (*RequestLog) ProtoMessage()    {}
+func (*RequestLog) Descriptor() ([]byte, []int) {
+	return fileDescriptor_log_service_f054fd4b5012319d, []int{7}
+}
+func (m *RequestLog) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_RequestLog.Unmarshal(m, b)
+}
+func (m *RequestLog) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_RequestLog.Marshal(b, m, deterministic)
+}
+func (dst *RequestLog) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_RequestLog.Merge(dst, src)
+}
+func (m *RequestLog) XXX_Size() int {
+	return xxx_messageInfo_RequestLog.Size(m)
+}
+func (m *RequestLog) XXX_DiscardUnknown() {
+	xxx_messageInfo_RequestLog.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_RequestLog proto.InternalMessageInfo
+
+const Default_RequestLog_ModuleId string = "default"
+const Default_RequestLog_ReplicaIndex int32 = -1
+const Default_RequestLog_Finished bool = true
+
+func (m *RequestLog) GetAppId() string {
+	if m != nil && m.AppId != nil {
+		return *m.AppId
+	}
+	return ""
+}
+
+func (m *RequestLog) GetModuleId() string {
+	if m != nil && m.ModuleId != nil {
+		return *m.ModuleId
+	}
+	return Default_RequestLog_ModuleId
+}
+
+func (m *RequestLog) GetVersionId() string {
+	if m != nil && m.VersionId != nil {
+		return *m.VersionId
+	}
+	return ""
+}
+
+func (m *RequestLog) GetRequestId() []byte {
+	if m != nil {
+		return m.RequestId
+	}
+	return nil
+}
+
+func (m *RequestLog) GetOffset() *LogOffset {
+	if m != nil {
+		return m.Offset
+	}
+	return nil
+}
+
+func (m *RequestLog) GetIp() string {
+	if m != nil && m.Ip != nil {
+		return *m.Ip
+	}
+	return ""
+}
+
+func (m *RequestLog) GetNickname() string {
+	if m != nil && m.Nickname != nil {
+		return *m.Nickname
+	}
+	return ""
+}
+
+func (m *RequestLog) GetStartTime() int64 {
+	if m != nil && m.StartTime != nil {
+		return *m.StartTime
+	}
+	return 0
+}
+
+func (m *RequestLog) GetEndTime() int64 {
+	if m != nil && m.EndTime != nil {
+		return *m.EndTime
+	}
+	return 0
+}
+
+func (m *RequestLog) GetLatency() int64 {
+	if m != nil && m.Latency != nil {
+		return *m.Latency
+	}
+	return 0
+}
+
+func (m *RequestLog) GetMcycles() int64 {
+	if m != nil && m.Mcycles != nil {
+		return *m.Mcycles
+	}
+	return 0
+}
+
+func (m *RequestLog) GetMethod() string {
+	if m != nil && m.Method != nil {
+		return *m.Method
+	}
+	return ""
+}
+
+func (m *RequestLog) GetResource() string {
+	if m != nil && m.Resource != nil {
+		return *m.Resource
+	}
+	return ""
+}
+
+func (m *RequestLog) GetHttpVersion() string {
+	if m != nil && m.HttpVersion != nil {
+		return *m.HttpVersion
+	}
+	return ""
+}
+
+func (m *RequestLog) GetStatus() int32 {
+	if m != nil && m.Status != nil {
+		return *m.Status
+	}
+	return 0
+}
+
+func (m *RequestLog) GetResponseSize() int64 {
+	if m != nil && m.ResponseSize != nil {
+		return *m.ResponseSize
+	}
+	return 0
+}
+
+func (m *RequestLog) GetReferrer() string {
+	if m != nil && m.Referrer != nil {
+		return *m.Referrer
+	}
+	return ""
+}
+
+func (m *RequestLog) GetUserAgent() string {
+	if m != nil && m.UserAgent != nil {
+		return *m.UserAgent
+	}
+	return ""
+}
+
+func (m *RequestLog) GetUrlMapEntry() string {
+	if m != nil && m.UrlMapEntry != nil {
+		return *m.UrlMapEntry
+	}
+	return ""
+}
+
+func (m *RequestLog) GetCombined() string {
+	if m != nil && m.Combined != nil {
+		return *m.Combined
+	}
+	return ""
+}
+
+func (m *RequestLog) GetApiMcycles() int64 {
+	if m != nil && m.ApiMcycles != nil {
+		return *m.ApiMcycles
+	}
+	return 0
+}
+
+func (m *RequestLog) GetHost() string {
+	if m != nil && m.Host != nil {
+		return *m.Host
+	}
+	return ""
+}
+
+func (m *RequestLog) GetCost() float64 {
+	if m != nil && m.Cost != nil {
+		return *m.Cost
+	}
+	return 0
+}
+
+func (m *RequestLog) GetTaskQueueName() string {
+	if m != nil && m.TaskQueueName != nil {
+		return *m.TaskQueueName
+	}
+	return ""
+}
+
+func (m *RequestLog) GetTaskName() string {
+	if m != nil && m.TaskName != nil {
+		return *m.TaskName
+	}
+	return ""
+}
+
+func (m *RequestLog) GetWasLoadingRequest() bool {
+	if m != nil && m.WasLoadingRequest != nil {
+		return *m.WasLoadingRequest
+	}
+	return false
+}
+
+func (m *RequestLog) GetPendingTime() int64 {
+	if m != nil && m.PendingTime != nil {
+		return *m.PendingTime
+	}
+	return 0
+}
+
+func (m *RequestLog) GetReplicaIndex() int32 {
+	if m != nil && m.ReplicaIndex != nil {
+		return *m.ReplicaIndex
+	}
+	return Default_RequestLog_ReplicaIndex
+}
+
+func (m *RequestLog) GetFinished() bool {
+	if m != nil && m.Finished != nil {
+		return *m.Finished
+	}
+	return Default_RequestLog_Finished
+}
+
+func (m *RequestLog) GetCloneKey() []byte {
+	if m != nil {
+		return m.CloneKey
+	}
+	return nil
+}
+
+func (m *RequestLog) GetLine() []*LogLine {
+	if m != nil {
+		return m.Line
+	}
+	return nil
+}
+
+func (m *RequestLog) GetLinesIncomplete() bool {
+	if m != nil && m.LinesIncomplete != nil {
+		return *m.LinesIncomplete
+	}
+	return false
+}
+
+func (m *RequestLog) GetAppEngineRelease() []byte {
+	if m != nil {
+		return m.AppEngineRelease
+	}
+	return nil
+}
+
+func (m *RequestLog) GetExitReason() int32 {
+	if m != nil && m.ExitReason != nil {
+		return *m.ExitReason
+	}
+	return 0
+}
+
+func (m *RequestLog) GetWasThrottledForTime() bool {
+	if m != nil && m.WasThrottledForTime != nil {
+		return *m.WasThrottledForTime
+	}
+	return false
+}
+
+func (m *RequestLog) GetWasThrottledForRequests() bool {
+	if m != nil && m.WasThrottledForRequests != nil {
+		return *m.WasThrottledForRequests
+	}
+	return false
+}
+
+func (m *RequestLog) GetThrottledTime() int64 {
+	if m != nil && m.ThrottledTime != nil {
+		return *m.ThrottledTime
+	}
+	return 0
+}
+
+func (m *RequestLog) GetServerName() []byte {
+	if m != nil {
+		return m.ServerName
+	}
+	return nil
+}
+
+type LogModuleVersion struct {
+	ModuleId             *string  `protobuf:"bytes,1,opt,name=module_id,json=moduleId,def=default" json:"module_id,omitempty"`
+	VersionId            *string  `protobuf:"bytes,2,opt,name=version_id,json=versionId" json:"version_id,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *LogModuleVersion) Reset()         { *m = LogModuleVersion{} }
+func (m *LogModuleVersion) String() string { return proto.CompactTextString(m) }
+func (*LogModuleVersion) ProtoMessage()    {}
+func (*LogModuleVersion) Descriptor() ([]byte, []int) {
+	return fileDescriptor_log_service_f054fd4b5012319d, []int{8}
+}
+func (m *LogModuleVersion) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_LogModuleVersion.Unmarshal(m, b)
+}
+func (m *LogModuleVersion) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_LogModuleVersion.Marshal(b, m, deterministic)
+}
+func (dst *LogModuleVersion) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_LogModuleVersion.Merge(dst, src)
+}
+func (m *LogModuleVersion) XXX_Size() int {
+	return xxx_messageInfo_LogModuleVersion.Size(m)
+}
+func (m *LogModuleVersion) XXX_DiscardUnknown() {
+	xxx_messageInfo_LogModuleVersion.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_LogModuleVersion proto.InternalMessageInfo
+
+const Default_LogModuleVersion_ModuleId string = "default"
+
+func (m *LogModuleVersion) GetModuleId() string {
+	if m != nil && m.ModuleId != nil {
+		return *m.ModuleId
+	}
+	return Default_LogModuleVersion_ModuleId
+}
+
+func (m *LogModuleVersion) GetVersionId() string {
+	if m != nil && m.VersionId != nil {
+		return *m.VersionId
+	}
+	return ""
+}
+
+type LogReadRequest struct {
+	AppId                *string             `protobuf:"bytes,1,req,name=app_id,json=appId" json:"app_id,omitempty"`
+	VersionId            []string            `protobuf:"bytes,2,rep,name=version_id,json=versionId" json:"version_id,omitempty"`
+	ModuleVersion        []*LogModuleVersion `protobuf:"bytes,19,rep,name=module_version,json=moduleVersion" json:"module_version,omitempty"`
+	StartTime            *int64              `protobuf:"varint,3,opt,name=start_time,json=startTime" json:"start_time,omitempty"`
+	EndTime              *int64              `protobuf:"varint,4,opt,name=end_time,json=endTime" json:"end_time,omitempty"`
+	Offset               *LogOffset          `protobuf:"bytes,5,opt,name=offset" json:"offset,omitempty"`
+	RequestId            [][]byte            `protobuf:"bytes,6,rep,name=request_id,json=requestId" json:"request_id,omitempty"`
+	MinimumLogLevel      *int32              `protobuf:"varint,7,opt,name=minimum_log_level,json=minimumLogLevel" json:"minimum_log_level,omitempty"`
+	IncludeIncomplete    *bool               `protobuf:"varint,8,opt,name=include_incomplete,json=includeIncomplete" json:"include_incomplete,omitempty"`
+	Count                *int64              `protobuf:"varint,9,opt,name=count" json:"count,omitempty"`
+	CombinedLogRegex     *string             `protobuf:"bytes,14,opt,name=combined_log_regex,json=combinedLogRegex" json:"combined_log_regex,omitempty"`
+	HostRegex            *string             `protobuf:"bytes,15,opt,name=host_regex,json=hostRegex" json:"host_regex,omitempty"`
+	ReplicaIndex         *int32              `protobuf:"varint,16,opt,name=replica_index,json=replicaIndex" json:"replica_index,omitempty"`
+	IncludeAppLogs       *bool               `protobuf:"varint,10,opt,name=include_app_logs,json=includeAppLogs" json:"include_app_logs,omitempty"`
+	AppLogsPerRequest    *int32              `protobuf:"varint,17,opt,name=app_logs_per_request,json=appLogsPerRequest" json:"app_logs_per_request,omitempty"`
+	IncludeHost          *bool               `protobuf:"varint,11,opt,name=include_host,json=includeHost" json:"include_host,omitempty"`
+	IncludeAll           *bool               `protobuf:"varint,12,opt,name=include_all,json=includeAll" json:"include_all,omitempty"`
+	CacheIterator        *bool               `protobuf:"varint,13,opt,name=cache_iterator,json=cacheIterator" json:"cache_iterator,omitempty"`
+	NumShards            *int32              `protobuf:"varint,18,opt,name=num_shards,json=numShards" json:"num_shards,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}            `json:"-"`
+	XXX_unrecognized     []byte              `json:"-"`
+	XXX_sizecache        int32               `json:"-"`
+}
+
+func (m *LogReadRequest) Reset()         { *m = LogReadRequest{} }
+func (m *LogReadRequest) String() string { return proto.CompactTextString(m) }
+func (*LogReadRequest) ProtoMessage()    {}
+func (*LogReadRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_log_service_f054fd4b5012319d, []int{9}
+}
+func (m *LogReadRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_LogReadRequest.Unmarshal(m, b)
+}
+func (m *LogReadRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_LogReadRequest.Marshal(b, m, deterministic)
+}
+func (dst *LogReadRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_LogReadRequest.Merge(dst, src)
+}
+func (m *LogReadRequest) XXX_Size() int {
+	return xxx_messageInfo_LogReadRequest.Size(m)
+}
+func (m *LogReadRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_LogReadRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_LogReadRequest proto.InternalMessageInfo
+
+func (m *LogReadRequest) GetAppId() string {
+	if m != nil && m.AppId != nil {
+		return *m.AppId
+	}
+	return ""
+}
+
+func (m *LogReadRequest) GetVersionId() []string {
+	if m != nil {
+		return m.VersionId
+	}
+	return nil
+}
+
+func (m *LogReadRequest) GetModuleVersion() []*LogModuleVersion {
+	if m != nil {
+		return m.ModuleVersion
+	}
+	return nil
+}
+
+func (m *LogReadRequest) GetStartTime() int64 {
+	if m != nil && m.StartTime != nil {
+		return *m.StartTime
+	}
+	return 0
+}
+
+func (m *LogReadRequest) GetEndTime() int64 {
+	if m != nil && m.EndTime != nil {
+		return *m.EndTime
+	}
+	return 0
+}
+
+func (m *LogReadRequest) GetOffset() *LogOffset {
+	if m != nil {
+		return m.Offset
+	}
+	return nil
+}
+
+func (m *LogReadRequest) GetRequestId() [][]byte {
+	if m != nil {
+		return m.RequestId
+	}
+	return nil
+}
+
+func (m *LogReadRequest) GetMinimumLogLevel() int32 {
+	if m != nil && m.MinimumLogLevel != nil {
+		return *m.MinimumLogLevel
+	}
+	return 0
+}
+
+func (m *LogReadRequest) GetIncludeIncomplete() bool {
+	if m != nil && m.IncludeIncomplete != nil {
+		return *m.IncludeIncomplete
+	}
+	return false
+}
+
+func (m *LogReadRequest) GetCount() int64 {
+	if m != nil && m.Count != nil {
+		return *m.Count
+	}
+	return 0
+}
+
+func (m *LogReadRequest) GetCombinedLogRegex() string {
+	if m != nil && m.CombinedLogRegex != nil {
+		return *m.CombinedLogRegex
+	}
+	return ""
+}
+
+func (m *LogReadRequest) GetHostRegex() string {
+	if m != nil && m.HostRegex != nil {
+		return *m.HostRegex
+	}
+	return ""
+}
+
+func (m *LogReadRequest) GetReplicaIndex() int32 {
+	if m != nil && m.ReplicaIndex != nil {
+		return *m.ReplicaIndex
+	}
+	return 0
+}
+
+func (m *LogReadRequest) GetIncludeAppLogs() bool {
+	if m != nil && m.IncludeAppLogs != nil {
+		return *m.IncludeAppLogs
+	}
+	return false
+}
+
+func (m *LogReadRequest) GetAppLogsPerRequest() int32 {
+	if m != nil && m.AppLogsPerRequest != nil {
+		return *m.AppLogsPerRequest
+	}
+	return 0
+}
+
+func (m *LogReadRequest) GetIncludeHost() bool {
+	if m != nil && m.IncludeHost != nil {
+		return *m.IncludeHost
+	}
+	return false
+}
+
+func (m *LogReadRequest) GetIncludeAll() bool {
+	if m != nil && m.IncludeAll != nil {
+		return *m.IncludeAll
+	}
+	return false
+}
+
+func (m *LogReadRequest) GetCacheIterator() bool {
+	if m != nil && m.CacheIterator != nil {
+		return *m.CacheIterator
+	}
+	return false
+}
+
+func (m *LogReadRequest) GetNumShards() int32 {
+	if m != nil && m.NumShards != nil {
+		return *m.NumShards
+	}
+	return 0
+}
+
+type LogReadResponse struct {
+	Log                  []*RequestLog `protobuf:"bytes,1,rep,name=log" json:"log,omitempty"`
+	Offset               *LogOffset    `protobuf:"bytes,2,opt,name=offset" json:"offset,omitempty"`
+	LastEndTime          *int64        `protobuf:"varint,3,opt,name=last_end_time,json=lastEndTime" json:"last_end_time,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}      `json:"-"`
+	XXX_unrecognized     []byte        `json:"-"`
+	XXX_sizecache        int32         `json:"-"`
+}
+
+func (m *LogReadResponse) Reset()         { *m = LogReadResponse{} }
+func (m *LogReadResponse) String() string { return proto.CompactTextString(m) }
+func (*LogReadResponse) ProtoMessage()    {}
+func (*LogReadResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_log_service_f054fd4b5012319d, []int{10}
+}
+func (m *LogReadResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_LogReadResponse.Unmarshal(m, b)
+}
+func (m *LogReadResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_LogReadResponse.Marshal(b, m, deterministic)
+}
+func (dst *LogReadResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_LogReadResponse.Merge(dst, src)
+}
+func (m *LogReadResponse) XXX_Size() int {
+	return xxx_messageInfo_LogReadResponse.Size(m)
+}
+func (m *LogReadResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_LogReadResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_LogReadResponse proto.InternalMessageInfo
+
+func (m *LogReadResponse) GetLog() []*RequestLog {
+	if m != nil {
+		return m.Log
+	}
+	return nil
+}
+
+func (m *LogReadResponse) GetOffset() *LogOffset {
+	if m != nil {
+		return m.Offset
+	}
+	return nil
+}
+
+func (m *LogReadResponse) GetLastEndTime() int64 {
+	if m != nil && m.LastEndTime != nil {
+		return *m.LastEndTime
+	}
+	return 0
+}
+
+type LogUsageRecord struct {
+	VersionId            *string  `protobuf:"bytes,1,opt,name=version_id,json=versionId" json:"version_id,omitempty"`
+	StartTime            *int32   `protobuf:"varint,2,opt,name=start_time,json=startTime" json:"start_time,omitempty"`
+	EndTime              *int32   `protobuf:"varint,3,opt,name=end_time,json=endTime" json:"end_time,omitempty"`
+	Count                *int64   `protobuf:"varint,4,opt,name=count" json:"count,omitempty"`
+	TotalSize            *int64   `protobuf:"varint,5,opt,name=total_size,json=totalSize" json:"total_size,omitempty"`
+	Records              *int32   `protobuf:"varint,6,opt,name=records" json:"records,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *LogUsageRecord) Reset()         { *m = LogUsageRecord{} }
+func (m *LogUsageRecord) String() string { return proto.CompactTextString(m) }
+func (*LogUsageRecord) ProtoMessage()    {}
+func (*LogUsageRecord) Descriptor() ([]byte, []int) {
+	return fileDescriptor_log_service_f054fd4b5012319d, []int{11}
+}
+func (m *LogUsageRecord) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_LogUsageRecord.Unmarshal(m, b)
+}
+func (m *LogUsageRecord) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_LogUsageRecord.Marshal(b, m, deterministic)
+}
+func (dst *LogUsageRecord) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_LogUsageRecord.Merge(dst, src)
+}
+func (m *LogUsageRecord) XXX_Size() int {
+	return xxx_messageInfo_LogUsageRecord.Size(m)
+}
+func (m *LogUsageRecord) XXX_DiscardUnknown() {
+	xxx_messageInfo_LogUsageRecord.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_LogUsageRecord proto.InternalMessageInfo
+
+func (m *LogUsageRecord) GetVersionId() string {
+	if m != nil && m.VersionId != nil {
+		return *m.VersionId
+	}
+	return ""
+}
+
+func (m *LogUsageRecord) GetStartTime() int32 {
+	if m != nil && m.StartTime != nil {
+		return *m.StartTime
+	}
+	return 0
+}
+
+func (m *LogUsageRecord) GetEndTime() int32 {
+	if m != nil && m.EndTime != nil {
+		return *m.EndTime
+	}
+	return 0
+}
+
+func (m *LogUsageRecord) GetCount() int64 {
+	if m != nil && m.Count != nil {
+		return *m.Count
+	}
+	return 0
+}
+
+func (m *LogUsageRecord) GetTotalSize() int64 {
+	if m != nil && m.TotalSize != nil {
+		return *m.TotalSize
+	}
+	return 0
+}
+
+func (m *LogUsageRecord) GetRecords() int32 {
+	if m != nil && m.Records != nil {
+		return *m.Records
+	}
+	return 0
+}
+
+type LogUsageRequest struct {
+	AppId                *string  `protobuf:"bytes,1,req,name=app_id,json=appId" json:"app_id,omitempty"`
+	VersionId            []string `protobuf:"bytes,2,rep,name=version_id,json=versionId" json:"version_id,omitempty"`
+	StartTime            *int32   `protobuf:"varint,3,opt,name=start_time,json=startTime" json:"start_time,omitempty"`
+	EndTime              *int32   `protobuf:"varint,4,opt,name=end_time,json=endTime" json:"end_time,omitempty"`
+	ResolutionHours      *uint32  `protobuf:"varint,5,opt,name=resolution_hours,json=resolutionHours,def=1" json:"resolution_hours,omitempty"`
+	CombineVersions      *bool    `protobuf:"varint,6,opt,name=combine_versions,json=combineVersions" json:"combine_versions,omitempty"`
+	UsageVersion         *int32   `protobuf:"varint,7,opt,name=usage_version,json=usageVersion" json:"usage_version,omitempty"`
+	VersionsOnly         *bool    `protobuf:"varint,8,opt,name=versions_only,json=versionsOnly" json:"versions_only,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *LogUsageRequest) Reset()         { *m = LogUsageRequest{} }
+func (m *LogUsageRequest) String() string { return proto.CompactTextString(m) }
+func (*LogUsageRequest) ProtoMessage()    {}
+func (*LogUsageRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_log_service_f054fd4b5012319d, []int{12}
+}
+func (m *LogUsageRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_LogUsageRequest.Unmarshal(m, b)
+}
+func (m *LogUsageRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_LogUsageRequest.Marshal(b, m, deterministic)
+}
+func (dst *LogUsageRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_LogUsageRequest.Merge(dst, src)
+}
+func (m *LogUsageRequest) XXX_Size() int {
+	return xxx_messageInfo_LogUsageRequest.Size(m)
+}
+func (m *LogUsageRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_LogUsageRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_LogUsageRequest proto.InternalMessageInfo
+
+const Default_LogUsageRequest_ResolutionHours uint32 = 1
+
+func (m *LogUsageRequest) GetAppId() string {
+	if m != nil && m.AppId != nil {
+		return *m.AppId
+	}
+	return ""
+}
+
+func (m *LogUsageRequest) GetVersionId() []string {
+	if m != nil {
+		return m.VersionId
+	}
+	return nil
+}
+
+func (m *LogUsageRequest) GetStartTime() int32 {
+	if m != nil && m.StartTime != nil {
+		return *m.StartTime
+	}
+	return 0
+}
+
+func (m *LogUsageRequest) GetEndTime() int32 {
+	if m != nil && m.EndTime != nil {
+		return *m.EndTime
+	}
+	return 0
+}
+
+func (m *LogUsageRequest) GetResolutionHours() uint32 {
+	if m != nil && m.ResolutionHours != nil {
+		return *m.ResolutionHours
+	}
+	return Default_LogUsageRequest_ResolutionHours
+}
+
+func (m *LogUsageRequest) GetCombineVersions() bool {
+	if m != nil && m.CombineVersions != nil {
+		return *m.CombineVersions
+	}
+	return false
+}
+
+func (m *LogUsageRequest) GetUsageVersion() int32 {
+	if m != nil && m.UsageVersion != nil {
+		return *m.UsageVersion
+	}
+	return 0
+}
+
+func (m *LogUsageRequest) GetVersionsOnly() bool {
+	if m != nil && m.VersionsOnly != nil {
+		return *m.VersionsOnly
+	}
+	return false
+}
+
+type LogUsageResponse struct {
+	Usage                []*LogUsageRecord `protobuf:"bytes,1,rep,name=usage" json:"usage,omitempty"`
+	Summary              *LogUsageRecord   `protobuf:"bytes,2,opt,name=summary" json:"summary,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
+	XXX_unrecognized     []byte            `json:"-"`
+	XXX_sizecache        int32             `json:"-"`
+}
+
+func (m *LogUsageResponse) Reset()         { *m = LogUsageResponse{} }
+func (m *LogUsageResponse) String() string { return proto.CompactTextString(m) }
+func (*LogUsageResponse) ProtoMessage()    {}
+func (*LogUsageResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_log_service_f054fd4b5012319d, []int{13}
+}
+func (m *LogUsageResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_LogUsageResponse.Unmarshal(m, b)
+}
+func (m *LogUsageResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_LogUsageResponse.Marshal(b, m, deterministic)
+}
+func (dst *LogUsageResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_LogUsageResponse.Merge(dst, src)
+}
+func (m *LogUsageResponse) XXX_Size() int {
+	return xxx_messageInfo_LogUsageResponse.Size(m)
+}
+func (m *LogUsageResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_LogUsageResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_LogUsageResponse proto.InternalMessageInfo
+
+func (m *LogUsageResponse) GetUsage() []*LogUsageRecord {
+	if m != nil {
+		return m.Usage
+	}
+	return nil
+}
+
+func (m *LogUsageResponse) GetSummary() *LogUsageRecord {
+	if m != nil {
+		return m.Summary
+	}
+	return nil
+}
+
+func init() {
+	proto.RegisterType((*LogServiceError)(nil), "appengine.LogServiceError")
+	proto.RegisterType((*UserAppLogLine)(nil), "appengine.UserAppLogLine")
+	proto.RegisterType((*UserAppLogGroup)(nil), "appengine.UserAppLogGroup")
+	proto.RegisterType((*FlushRequest)(nil), "appengine.FlushRequest")
+	proto.RegisterType((*SetStatusRequest)(nil), "appengine.SetStatusRequest")
+	proto.RegisterType((*LogOffset)(nil), "appengine.LogOffset")
+	proto.RegisterType((*LogLine)(nil), "appengine.LogLine")
+	proto.RegisterType((*RequestLog)(nil), "appengine.RequestLog")
+	proto.RegisterType((*LogModuleVersion)(nil), "appengine.LogModuleVersion")
+	proto.RegisterType((*LogReadRequest)(nil), "appengine.LogReadRequest")
+	proto.RegisterType((*LogReadResponse)(nil), "appengine.LogReadResponse")
+	proto.RegisterType((*LogUsageRecord)(nil), "appengine.LogUsageRecord")
+	proto.RegisterType((*LogUsageRequest)(nil), "appengine.LogUsageRequest")
+	proto.RegisterType((*LogUsageResponse)(nil), "appengine.LogUsageResponse")
+}
+
+func init() {
+	proto.RegisterFile("google.golang.org/appengine/internal/log/log_service.proto", fileDescriptor_log_service_f054fd4b5012319d)
+}
+
+var fileDescriptor_log_service_f054fd4b5012319d = []byte{
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+	0xbd, 0x3e, 0x27, 0x20, 0xfc, 0x57, 0x40, 0xdf, 0x83, 0x8e, 0xdb, 0xee, 0xb2, 0x61, 0x1f, 0x43,
+	0x57, 0xc8, 0x9c, 0x07, 0xc4, 0xcd, 0xbb, 0x1b, 0x2c, 0xb9, 0xf9, 0xc6, 0x88, 0xac, 0xc7, 0x06,
+	0xa3, 0x3a, 0xef, 0xc1, 0xa8, 0x10, 0x26, 0x22, 0xd1, 0x26, 0x6e, 0xf9, 0xe9, 0xc8, 0x3b, 0xb2,
+	0xe0, 0x89, 0xe3, 0x68, 0xf8, 0x9f, 0x80, 0x46, 0xed, 0x8d, 0xfd, 0xac, 0x89, 0x30, 0x95, 0xea,
+	0xf6, 0x4c, 0x05, 0xb7, 0x86, 0xf3, 0xd6, 0x3c, 0x74, 0x5c, 0x7e, 0xff, 0x7f, 0x1e, 0xba, 0x64,
+	0x6c, 0xe7, 0xa1, 0xe5, 0xd9, 0xce, 0x26, 0xcf, 0x1e, 0x01, 0x18, 0x69, 0x12, 0xe1, 0xee, 0xe1,
+	0x9e, 0x9b, 0x2f, 0x42, 0xe8, 0x12, 0xe6, 0xd0, 0x57, 0x14, 0x97, 0xe6, 0xbb, 0x6e, 0x3b, 0xbf,
+	0x0c, 0xff, 0xdd, 0xa1, 0x4a, 0xfa, 0xd0, 0x7f, 0x8b, 0x4c, 0xfc, 0x7c, 0xc4, 0x7b, 0xbf, 0x36,
+	0xe2, 0xbd, 0xcd, 0x11, 0x9f, 0xd9, 0xcf, 0x11, 0x51, 0x1b, 0xbb, 0xf7, 0x4a, 0xd6, 0x4a, 0x53,
+	0x0a, 0x93, 0xe3, 0xe0, 0xb3, 0x68, 0x7a, 0x63, 0xfa, 0xc6, 0x5a, 0xec, 0x25, 0xe3, 0x07, 0xa7,
+	0xd1, 0x23, 0x97, 0xd4, 0x20, 0x9a, 0x7a, 0xdc, 0x8b, 0x0e, 0x7d, 0xa0, 0xd4, 0x36, 0xb1, 0x56,
+	0xb8, 0xdc, 0xa8, 0x8f, 0x09, 0x6c, 0xa4, 0xe9, 0x29, 0x4c, 0x9a, 0x7d, 0x62, 0x59, 0x8a, 0x6b,
+	0x3f, 0xe2, 0xe3, 0x06, 0x3c, 0x2b, 0xc5, 0x75, 0x78, 0x45, 0x2a, 0xed, 0xab, 0xe4, 0x09, 0x77,
+	0x04, 0x3d, 0xda, 0xc8, 0x53, 0xee, 0xfe, 0x36, 0x8d, 0x36, 0xc8, 0x10, 0x39, 0x3f, 0xf6, 0x05,
+	0xf4, 0x75, 0xbd, 0x5e, 0x27, 0xea, 0xda, 0x33, 0xef, 0x57, 0x5e, 0x69, 0x3c, 0xbf, 0xea, 0xfd,
+	0xdd, 0x92, 0xf6, 0x7f, 0x01, 0x00, 0x00, 0xff, 0xff, 0x70, 0xd9, 0xa0, 0xf8, 0x48, 0x0d, 0x00,
+	0x00,
+}
diff --git a/vendor/google.golang.org/appengine/internal/log/log_service.proto b/vendor/google.golang.org/appengine/internal/log/log_service.proto
new file mode 100644
index 00000000..8981dc47
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/log/log_service.proto
@@ -0,0 +1,150 @@
+syntax = "proto2";
+option go_package = "log";
+
+package appengine;
+
+message LogServiceError {
+  enum ErrorCode {
+    OK  = 0;
+    INVALID_REQUEST = 1;
+    STORAGE_ERROR = 2;
+  }
+}
+
+message UserAppLogLine {
+  required int64 timestamp_usec = 1;
+  required int64 level = 2;
+  required string message = 3;
+}
+
+message UserAppLogGroup {
+  repeated UserAppLogLine log_line = 2;
+}
+
+message FlushRequest {
+  optional bytes logs = 1;
+}
+
+message SetStatusRequest {
+  required string status = 1;
+}
+
+
+message LogOffset {
+  optional bytes request_id = 1;
+}
+
+message LogLine {
+  required int64 time = 1;
+  required int32 level = 2;
+  required string log_message = 3;
+}
+
+message RequestLog {
+  required string app_id = 1;
+  optional string module_id = 37 [default="default"];
+  required string version_id = 2;
+  required bytes request_id = 3;
+  optional LogOffset offset = 35;
+  required string ip = 4;
+  optional string nickname = 5;
+  required int64 start_time = 6;
+  required int64 end_time = 7;
+  required int64 latency = 8;
+  required int64 mcycles = 9;
+  required string method = 10;
+  required string resource = 11;
+  required string http_version = 12;
+  required int32 status = 13;
+  required int64 response_size = 14;
+  optional string referrer = 15;
+  optional string user_agent = 16;
+  required string url_map_entry = 17;
+  required string combined = 18;
+  optional int64 api_mcycles = 19;
+  optional string host = 20;
+  optional double cost = 21;
+
+  optional string task_queue_name = 22;
+  optional string task_name = 23;
+
+  optional bool was_loading_request = 24;
+  optional int64 pending_time = 25;
+  optional int32 replica_index = 26 [default = -1];
+  optional bool finished = 27 [default = true];
+  optional bytes clone_key = 28;
+
+  repeated LogLine line = 29;
+
+  optional bool lines_incomplete = 36;
+  optional bytes app_engine_release = 38;
+
+  optional int32 exit_reason = 30;
+  optional bool was_throttled_for_time = 31;
+  optional bool was_throttled_for_requests = 32;
+  optional int64 throttled_time = 33;
+
+  optional bytes server_name = 34;
+}
+
+message LogModuleVersion {
+  optional string module_id = 1 [default="default"];
+  optional string version_id = 2;
+}
+
+message LogReadRequest {
+  required string app_id = 1;
+  repeated string version_id = 2;
+  repeated LogModuleVersion module_version = 19;
+
+  optional int64 start_time = 3;
+  optional int64 end_time = 4;
+  optional LogOffset offset = 5;
+  repeated bytes request_id = 6;
+
+  optional int32 minimum_log_level = 7;
+  optional bool include_incomplete = 8;
+  optional int64 count = 9;
+
+  optional string combined_log_regex = 14;
+  optional string host_regex = 15;
+  optional int32 replica_index = 16;
+
+  optional bool include_app_logs = 10;
+  optional int32 app_logs_per_request = 17;
+  optional bool include_host = 11;
+  optional bool include_all = 12;
+  optional bool cache_iterator = 13;
+  optional int32 num_shards = 18;
+}
+
+message LogReadResponse {
+  repeated RequestLog log = 1;
+  optional LogOffset offset = 2;
+  optional int64 last_end_time = 3;
+}
+
+message LogUsageRecord {
+  optional string version_id = 1;
+  optional int32 start_time = 2;
+  optional int32 end_time = 3;
+  optional int64 count = 4;
+  optional int64 total_size = 5;
+  optional int32 records = 6;
+}
+
+message LogUsageRequest {
+  required string app_id = 1;
+  repeated string version_id = 2;
+  optional int32 start_time = 3;
+  optional int32 end_time = 4;
+  optional uint32 resolution_hours = 5 [default = 1];
+  optional bool combine_versions = 6;
+  optional int32 usage_version = 7;
+  optional bool versions_only = 8;
+}
+
+message LogUsageResponse {
+  repeated LogUsageRecord usage = 1;
+  optional LogUsageRecord summary = 2;
+}
diff --git a/vendor/google.golang.org/appengine/internal/main.go b/vendor/google.golang.org/appengine/internal/main.go
new file mode 100644
index 00000000..49036163
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/main.go
@@ -0,0 +1,15 @@
+// Copyright 2011 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+// +build appengine
+
+package internal
+
+import (
+	"appengine_internal"
+)
+
+func Main() {
+	appengine_internal.Main()
+}
diff --git a/vendor/google.golang.org/appengine/internal/main_vm.go b/vendor/google.golang.org/appengine/internal/main_vm.go
new file mode 100644
index 00000000..822e784a
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/main_vm.go
@@ -0,0 +1,48 @@
+// Copyright 2011 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+// +build !appengine
+
+package internal
+
+import (
+	"io"
+	"log"
+	"net/http"
+	"net/url"
+	"os"
+)
+
+func Main() {
+	installHealthChecker(http.DefaultServeMux)
+
+	port := "8080"
+	if s := os.Getenv("PORT"); s != "" {
+		port = s
+	}
+
+	host := ""
+	if IsDevAppServer() {
+		host = "127.0.0.1"
+	}
+	if err := http.ListenAndServe(host+":"+port, http.HandlerFunc(handleHTTP)); err != nil {
+		log.Fatalf("http.ListenAndServe: %v", err)
+	}
+}
+
+func installHealthChecker(mux *http.ServeMux) {
+	// If no health check handler has been installed by this point, add a trivial one.
+	const healthPath = "/_ah/health"
+	hreq := &http.Request{
+		Method: "GET",
+		URL: &url.URL{
+			Path: healthPath,
+		},
+	}
+	if _, pat := mux.Handler(hreq); pat != healthPath {
+		mux.HandleFunc(healthPath, func(w http.ResponseWriter, r *http.Request) {
+			io.WriteString(w, "ok")
+		})
+	}
+}
diff --git a/vendor/google.golang.org/appengine/internal/metadata.go b/vendor/google.golang.org/appengine/internal/metadata.go
new file mode 100644
index 00000000..c4ba63bb
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/metadata.go
@@ -0,0 +1,60 @@
+// Copyright 2014 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package internal
+
+// This file has code for accessing metadata.
+//
+// References:
+//	https://cloud.google.com/compute/docs/metadata
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"net/url"
+)
+
+const (
+	metadataHost = "metadata"
+	metadataPath = "/computeMetadata/v1/"
+)
+
+var (
+	metadataRequestHeaders = http.Header{
+		"Metadata-Flavor": []string{"Google"},
+	}
+)
+
+// TODO(dsymonds): Do we need to support default values, like Python?
+func mustGetMetadata(key string) []byte {
+	b, err := getMetadata(key)
+	if err != nil {
+		panic(fmt.Sprintf("Metadata fetch failed for '%s': %v", key, err))
+	}
+	return b
+}
+
+func getMetadata(key string) ([]byte, error) {
+	// TODO(dsymonds): May need to use url.Parse to support keys with query args.
+	req := &http.Request{
+		Method: "GET",
+		URL: &url.URL{
+			Scheme: "http",
+			Host:   metadataHost,
+			Path:   metadataPath + key,
+		},
+		Header: metadataRequestHeaders,
+		Host:   metadataHost,
+	}
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != 200 {
+		return nil, fmt.Errorf("metadata server returned HTTP %d", resp.StatusCode)
+	}
+	return ioutil.ReadAll(resp.Body)
+}
diff --git a/vendor/google.golang.org/appengine/internal/net.go b/vendor/google.golang.org/appengine/internal/net.go
new file mode 100644
index 00000000..3b94cf0c
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/net.go
@@ -0,0 +1,56 @@
+// Copyright 2014 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package internal
+
+// This file implements a network dialer that limits the number of concurrent connections.
+// It is only used for API calls.
+
+import (
+	"log"
+	"net"
+	"runtime"
+	"sync"
+	"time"
+)
+
+var limitSem = make(chan int, 100) // TODO(dsymonds): Use environment variable.
+
+func limitRelease() {
+	// non-blocking
+	select {
+	case <-limitSem:
+	default:
+		// This should not normally happen.
+		log.Print("appengine: unbalanced limitSem release!")
+	}
+}
+
+func limitDial(network, addr string) (net.Conn, error) {
+	limitSem <- 1
+
+	// Dial with a timeout in case the API host is MIA.
+	// The connection should normally be very fast.
+	conn, err := net.DialTimeout(network, addr, 500*time.Millisecond)
+	if err != nil {
+		limitRelease()
+		return nil, err
+	}
+	lc := &limitConn{Conn: conn}
+	runtime.SetFinalizer(lc, (*limitConn).Close) // shouldn't usually be required
+	return lc, nil
+}
+
+type limitConn struct {
+	close sync.Once
+	net.Conn
+}
+
+func (lc *limitConn) Close() error {
+	defer lc.close.Do(func() {
+		limitRelease()
+		runtime.SetFinalizer(lc, nil)
+	})
+	return lc.Conn.Close()
+}
diff --git a/vendor/google.golang.org/appengine/internal/regen.sh b/vendor/google.golang.org/appengine/internal/regen.sh
new file mode 100755
index 00000000..2fdb546a
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/regen.sh
@@ -0,0 +1,40 @@
+#!/bin/bash -e
+#
+# This script rebuilds the generated code for the protocol buffers.
+# To run this you will need protoc and goprotobuf installed;
+# see https://github.com/golang/protobuf for instructions.
+
+PKG=google.golang.org/appengine
+
+function die() {
+	echo 1>&2 $*
+	exit 1
+}
+
+# Sanity check that the right tools are accessible.
+for tool in go protoc protoc-gen-go; do
+	q=$(which $tool) || die "didn't find $tool"
+	echo 1>&2 "$tool: $q"
+done
+
+echo -n 1>&2 "finding package dir... "
+pkgdir=$(go list -f '{{.Dir}}' $PKG)
+echo 1>&2 $pkgdir
+base=$(echo $pkgdir | sed "s,/$PKG\$,,")
+echo 1>&2 "base: $base"
+cd $base
+
+# Run protoc once per package.
+for dir in $(find $PKG/internal -name '*.proto' | xargs dirname | sort | uniq); do
+	echo 1>&2 "* $dir"
+	protoc --go_out=. $dir/*.proto
+done
+
+for f in $(find $PKG/internal -name '*.pb.go'); do
+  # Remove proto.RegisterEnum calls.
+  # These cause duplicate registration panics when these packages
+  # are used on classic App Engine. proto.RegisterEnum only affects
+  # parsing the text format; we don't care about that.
+  # https://code.google.com/p/googleappengine/issues/detail?id=11670#c17
+  sed -i '/proto.RegisterEnum/d' $f
+done
diff --git a/vendor/google.golang.org/appengine/internal/remote_api/remote_api.pb.go b/vendor/google.golang.org/appengine/internal/remote_api/remote_api.pb.go
new file mode 100644
index 00000000..8d782a38
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/remote_api/remote_api.pb.go
@@ -0,0 +1,361 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: google.golang.org/appengine/internal/remote_api/remote_api.proto
+
+package remote_api
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type RpcError_ErrorCode int32
+
+const (
+	RpcError_UNKNOWN             RpcError_ErrorCode = 0
+	RpcError_CALL_NOT_FOUND      RpcError_ErrorCode = 1
+	RpcError_PARSE_ERROR         RpcError_ErrorCode = 2
+	RpcError_SECURITY_VIOLATION  RpcError_ErrorCode = 3
+	RpcError_OVER_QUOTA          RpcError_ErrorCode = 4
+	RpcError_REQUEST_TOO_LARGE   RpcError_ErrorCode = 5
+	RpcError_CAPABILITY_DISABLED RpcError_ErrorCode = 6
+	RpcError_FEATURE_DISABLED    RpcError_ErrorCode = 7
+	RpcError_BAD_REQUEST         RpcError_ErrorCode = 8
+	RpcError_RESPONSE_TOO_LARGE  RpcError_ErrorCode = 9
+	RpcError_CANCELLED           RpcError_ErrorCode = 10
+	RpcError_REPLAY_ERROR        RpcError_ErrorCode = 11
+	RpcError_DEADLINE_EXCEEDED   RpcError_ErrorCode = 12
+)
+
+var RpcError_ErrorCode_name = map[int32]string{
+	0:  "UNKNOWN",
+	1:  "CALL_NOT_FOUND",
+	2:  "PARSE_ERROR",
+	3:  "SECURITY_VIOLATION",
+	4:  "OVER_QUOTA",
+	5:  "REQUEST_TOO_LARGE",
+	6:  "CAPABILITY_DISABLED",
+	7:  "FEATURE_DISABLED",
+	8:  "BAD_REQUEST",
+	9:  "RESPONSE_TOO_LARGE",
+	10: "CANCELLED",
+	11: "REPLAY_ERROR",
+	12: "DEADLINE_EXCEEDED",
+}
+var RpcError_ErrorCode_value = map[string]int32{
+	"UNKNOWN":             0,
+	"CALL_NOT_FOUND":      1,
+	"PARSE_ERROR":         2,
+	"SECURITY_VIOLATION":  3,
+	"OVER_QUOTA":          4,
+	"REQUEST_TOO_LARGE":   5,
+	"CAPABILITY_DISABLED": 6,
+	"FEATURE_DISABLED":    7,
+	"BAD_REQUEST":         8,
+	"RESPONSE_TOO_LARGE":  9,
+	"CANCELLED":           10,
+	"REPLAY_ERROR":        11,
+	"DEADLINE_EXCEEDED":   12,
+}
+
+func (x RpcError_ErrorCode) Enum() *RpcError_ErrorCode {
+	p := new(RpcError_ErrorCode)
+	*p = x
+	return p
+}
+func (x RpcError_ErrorCode) String() string {
+	return proto.EnumName(RpcError_ErrorCode_name, int32(x))
+}
+func (x *RpcError_ErrorCode) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(RpcError_ErrorCode_value, data, "RpcError_ErrorCode")
+	if err != nil {
+		return err
+	}
+	*x = RpcError_ErrorCode(value)
+	return nil
+}
+func (RpcError_ErrorCode) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_remote_api_1978114ec33a273d, []int{2, 0}
+}
+
+type Request struct {
+	ServiceName          *string  `protobuf:"bytes,2,req,name=service_name,json=serviceName" json:"service_name,omitempty"`
+	Method               *string  `protobuf:"bytes,3,req,name=method" json:"method,omitempty"`
+	Request              []byte   `protobuf:"bytes,4,req,name=request" json:"request,omitempty"`
+	RequestId            *string  `protobuf:"bytes,5,opt,name=request_id,json=requestId" json:"request_id,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Request) Reset()         { *m = Request{} }
+func (m *Request) String() string { return proto.CompactTextString(m) }
+func (*Request) ProtoMessage()    {}
+func (*Request) Descriptor() ([]byte, []int) {
+	return fileDescriptor_remote_api_1978114ec33a273d, []int{0}
+}
+func (m *Request) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Request.Unmarshal(m, b)
+}
+func (m *Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Request.Marshal(b, m, deterministic)
+}
+func (dst *Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Request.Merge(dst, src)
+}
+func (m *Request) XXX_Size() int {
+	return xxx_messageInfo_Request.Size(m)
+}
+func (m *Request) XXX_DiscardUnknown() {
+	xxx_messageInfo_Request.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Request proto.InternalMessageInfo
+
+func (m *Request) GetServiceName() string {
+	if m != nil && m.ServiceName != nil {
+		return *m.ServiceName
+	}
+	return ""
+}
+
+func (m *Request) GetMethod() string {
+	if m != nil && m.Method != nil {
+		return *m.Method
+	}
+	return ""
+}
+
+func (m *Request) GetRequest() []byte {
+	if m != nil {
+		return m.Request
+	}
+	return nil
+}
+
+func (m *Request) GetRequestId() string {
+	if m != nil && m.RequestId != nil {
+		return *m.RequestId
+	}
+	return ""
+}
+
+type ApplicationError struct {
+	Code                 *int32   `protobuf:"varint,1,req,name=code" json:"code,omitempty"`
+	Detail               *string  `protobuf:"bytes,2,req,name=detail" json:"detail,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *ApplicationError) Reset()         { *m = ApplicationError{} }
+func (m *ApplicationError) String() string { return proto.CompactTextString(m) }
+func (*ApplicationError) ProtoMessage()    {}
+func (*ApplicationError) Descriptor() ([]byte, []int) {
+	return fileDescriptor_remote_api_1978114ec33a273d, []int{1}
+}
+func (m *ApplicationError) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ApplicationError.Unmarshal(m, b)
+}
+func (m *ApplicationError) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ApplicationError.Marshal(b, m, deterministic)
+}
+func (dst *ApplicationError) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ApplicationError.Merge(dst, src)
+}
+func (m *ApplicationError) XXX_Size() int {
+	return xxx_messageInfo_ApplicationError.Size(m)
+}
+func (m *ApplicationError) XXX_DiscardUnknown() {
+	xxx_messageInfo_ApplicationError.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ApplicationError proto.InternalMessageInfo
+
+func (m *ApplicationError) GetCode() int32 {
+	if m != nil && m.Code != nil {
+		return *m.Code
+	}
+	return 0
+}
+
+func (m *ApplicationError) GetDetail() string {
+	if m != nil && m.Detail != nil {
+		return *m.Detail
+	}
+	return ""
+}
+
+type RpcError struct {
+	Code                 *int32   `protobuf:"varint,1,req,name=code" json:"code,omitempty"`
+	Detail               *string  `protobuf:"bytes,2,opt,name=detail" json:"detail,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *RpcError) Reset()         { *m = RpcError{} }
+func (m *RpcError) String() string { return proto.CompactTextString(m) }
+func (*RpcError) ProtoMessage()    {}
+func (*RpcError) Descriptor() ([]byte, []int) {
+	return fileDescriptor_remote_api_1978114ec33a273d, []int{2}
+}
+func (m *RpcError) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_RpcError.Unmarshal(m, b)
+}
+func (m *RpcError) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_RpcError.Marshal(b, m, deterministic)
+}
+func (dst *RpcError) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_RpcError.Merge(dst, src)
+}
+func (m *RpcError) XXX_Size() int {
+	return xxx_messageInfo_RpcError.Size(m)
+}
+func (m *RpcError) XXX_DiscardUnknown() {
+	xxx_messageInfo_RpcError.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_RpcError proto.InternalMessageInfo
+
+func (m *RpcError) GetCode() int32 {
+	if m != nil && m.Code != nil {
+		return *m.Code
+	}
+	return 0
+}
+
+func (m *RpcError) GetDetail() string {
+	if m != nil && m.Detail != nil {
+		return *m.Detail
+	}
+	return ""
+}
+
+type Response struct {
+	Response             []byte            `protobuf:"bytes,1,opt,name=response" json:"response,omitempty"`
+	Exception            []byte            `protobuf:"bytes,2,opt,name=exception" json:"exception,omitempty"`
+	ApplicationError     *ApplicationError `protobuf:"bytes,3,opt,name=application_error,json=applicationError" json:"application_error,omitempty"`
+	JavaException        []byte            `protobuf:"bytes,4,opt,name=java_exception,json=javaException" json:"java_exception,omitempty"`
+	RpcError             *RpcError         `protobuf:"bytes,5,opt,name=rpc_error,json=rpcError" json:"rpc_error,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
+	XXX_unrecognized     []byte            `json:"-"`
+	XXX_sizecache        int32             `json:"-"`
+}
+
+func (m *Response) Reset()         { *m = Response{} }
+func (m *Response) String() string { return proto.CompactTextString(m) }
+func (*Response) ProtoMessage()    {}
+func (*Response) Descriptor() ([]byte, []int) {
+	return fileDescriptor_remote_api_1978114ec33a273d, []int{3}
+}
+func (m *Response) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Response.Unmarshal(m, b)
+}
+func (m *Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Response.Marshal(b, m, deterministic)
+}
+func (dst *Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Response.Merge(dst, src)
+}
+func (m *Response) XXX_Size() int {
+	return xxx_messageInfo_Response.Size(m)
+}
+func (m *Response) XXX_DiscardUnknown() {
+	xxx_messageInfo_Response.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Response proto.InternalMessageInfo
+
+func (m *Response) GetResponse() []byte {
+	if m != nil {
+		return m.Response
+	}
+	return nil
+}
+
+func (m *Response) GetException() []byte {
+	if m != nil {
+		return m.Exception
+	}
+	return nil
+}
+
+func (m *Response) GetApplicationError() *ApplicationError {
+	if m != nil {
+		return m.ApplicationError
+	}
+	return nil
+}
+
+func (m *Response) GetJavaException() []byte {
+	if m != nil {
+		return m.JavaException
+	}
+	return nil
+}
+
+func (m *Response) GetRpcError() *RpcError {
+	if m != nil {
+		return m.RpcError
+	}
+	return nil
+}
+
+func init() {
+	proto.RegisterType((*Request)(nil), "remote_api.Request")
+	proto.RegisterType((*ApplicationError)(nil), "remote_api.ApplicationError")
+	proto.RegisterType((*RpcError)(nil), "remote_api.RpcError")
+	proto.RegisterType((*Response)(nil), "remote_api.Response")
+}
+
+func init() {
+	proto.RegisterFile("google.golang.org/appengine/internal/remote_api/remote_api.proto", fileDescriptor_remote_api_1978114ec33a273d)
+}
+
+var fileDescriptor_remote_api_1978114ec33a273d = []byte{
+	// 531 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x93, 0x51, 0x6e, 0xd3, 0x40,
+	0x10, 0x86, 0xb1, 0x9b, 0x34, 0xf1, 0xc4, 0x2d, 0xdb, 0xa5, 0x14, 0x0b, 0x15, 0x29, 0x44, 0x42,
+	0xca, 0x53, 0x2a, 0x38, 0x00, 0x62, 0x63, 0x6f, 0x91, 0x85, 0x65, 0xa7, 0x6b, 0xbb, 0x50, 0x5e,
+	0x56, 0x2b, 0x67, 0x65, 0x8c, 0x12, 0xaf, 0xd9, 0x98, 0x8a, 0x17, 0x6e, 0xc0, 0xb5, 0x38, 0x0c,
+	0xb7, 0x40, 0x36, 0x6e, 0x63, 0xf5, 0x89, 0xb7, 0x7f, 0x7e, 0x7b, 0xe6, 0x1b, 0xcd, 0xcc, 0xc2,
+	0xbb, 0x5c, 0xa9, 0x7c, 0x23, 0x17, 0xb9, 0xda, 0x88, 0x32, 0x5f, 0x28, 0x9d, 0x5f, 0x88, 0xaa,
+	0x92, 0x65, 0x5e, 0x94, 0xf2, 0xa2, 0x28, 0x6b, 0xa9, 0x4b, 0xb1, 0xb9, 0xd0, 0x72, 0xab, 0x6a,
+	0xc9, 0x45, 0x55, 0xf4, 0xe4, 0xa2, 0xd2, 0xaa, 0x56, 0x18, 0xf6, 0xce, 0xec, 0x27, 0x8c, 0x98,
+	0xfc, 0xf6, 0x5d, 0xee, 0x6a, 0xfc, 0x12, 0xec, 0x9d, 0xd4, 0xb7, 0x45, 0x26, 0x79, 0x29, 0xb6,
+	0xd2, 0x31, 0xa7, 0xe6, 0xdc, 0x62, 0x93, 0xce, 0x0b, 0xc5, 0x56, 0xe2, 0x33, 0x38, 0xdc, 0xca,
+	0xfa, 0x8b, 0x5a, 0x3b, 0x07, 0xed, 0xc7, 0x2e, 0xc2, 0x0e, 0x8c, 0xf4, 0xbf, 0x2a, 0xce, 0x60,
+	0x6a, 0xce, 0x6d, 0x76, 0x17, 0xe2, 0x17, 0x00, 0x9d, 0xe4, 0xc5, 0xda, 0x19, 0x4e, 0x8d, 0xb9,
+	0xc5, 0xac, 0xce, 0xf1, 0xd7, 0xb3, 0xb7, 0x80, 0x48, 0x55, 0x6d, 0x8a, 0x4c, 0xd4, 0x85, 0x2a,
+	0xa9, 0xd6, 0x4a, 0x63, 0x0c, 0x83, 0x4c, 0xad, 0xa5, 0x63, 0x4c, 0xcd, 0xf9, 0x90, 0xb5, 0xba,
+	0x01, 0xaf, 0x65, 0x2d, 0x8a, 0x4d, 0xd7, 0x55, 0x17, 0xcd, 0x7e, 0x9b, 0x30, 0x66, 0x55, 0xf6,
+	0x7f, 0x89, 0x46, 0x2f, 0xf1, 0x97, 0x09, 0x56, 0x9b, 0xe5, 0x36, 0x7f, 0x4d, 0x60, 0x94, 0x86,
+	0x1f, 0xc2, 0xe8, 0x63, 0x88, 0x1e, 0x61, 0x0c, 0xc7, 0x2e, 0x09, 0x02, 0x1e, 0x46, 0x09, 0xbf,
+	0x8c, 0xd2, 0xd0, 0x43, 0x06, 0x7e, 0x0c, 0x93, 0x15, 0x61, 0x31, 0xe5, 0x94, 0xb1, 0x88, 0x21,
+	0x13, 0x9f, 0x01, 0x8e, 0xa9, 0x9b, 0x32, 0x3f, 0xb9, 0xe1, 0xd7, 0x7e, 0x14, 0x90, 0xc4, 0x8f,
+	0x42, 0x74, 0x80, 0x8f, 0x01, 0xa2, 0x6b, 0xca, 0xf8, 0x55, 0x1a, 0x25, 0x04, 0x0d, 0xf0, 0x53,
+	0x38, 0x61, 0xf4, 0x2a, 0xa5, 0x71, 0xc2, 0x93, 0x28, 0xe2, 0x01, 0x61, 0xef, 0x29, 0x1a, 0xe2,
+	0x67, 0xf0, 0xc4, 0x25, 0x2b, 0xb2, 0xf4, 0x83, 0xa6, 0x80, 0xe7, 0xc7, 0x64, 0x19, 0x50, 0x0f,
+	0x1d, 0xe2, 0x53, 0x40, 0x97, 0x94, 0x24, 0x29, 0xa3, 0x7b, 0x77, 0xd4, 0xe0, 0x97, 0xc4, 0xe3,
+	0x5d, 0x25, 0x34, 0x6e, 0xf0, 0x8c, 0xc6, 0xab, 0x28, 0x8c, 0x69, 0xaf, 0xae, 0x85, 0x8f, 0xc0,
+	0x72, 0x49, 0xe8, 0xd2, 0xa0, 0xc9, 0x03, 0x8c, 0xc0, 0x66, 0x74, 0x15, 0x90, 0x9b, 0xae, 0xef,
+	0x49, 0xd3, 0x8f, 0x47, 0x89, 0x17, 0xf8, 0x21, 0xe5, 0xf4, 0x93, 0x4b, 0xa9, 0x47, 0x3d, 0x64,
+	0xcf, 0xfe, 0x18, 0x30, 0x66, 0x72, 0x57, 0xa9, 0x72, 0x27, 0xf1, 0x73, 0x18, 0xeb, 0x4e, 0x3b,
+	0xc6, 0xd4, 0x98, 0xdb, 0xec, 0x3e, 0xc6, 0xe7, 0x60, 0xc9, 0x1f, 0x99, 0xac, 0x9a, 0x75, 0xb5,
+	0x23, 0xb5, 0xd9, 0xde, 0xc0, 0x3e, 0x9c, 0x88, 0xfd, 0x3a, 0xb9, 0x6c, 0x06, 0xec, 0x1c, 0x4c,
+	0x8d, 0xf9, 0xe4, 0xcd, 0xf9, 0xa2, 0x77, 0x87, 0x0f, 0x77, 0xce, 0x90, 0x78, 0x78, 0x05, 0xaf,
+	0xe0, 0xf8, 0xab, 0xb8, 0x15, 0x7c, 0x4f, 0x1b, 0xb4, 0xb4, 0xa3, 0xc6, 0xa5, 0xf7, 0xc4, 0xd7,
+	0x60, 0xe9, 0x2a, 0xeb, 0x48, 0xc3, 0x96, 0x74, 0xda, 0x27, 0xdd, 0x1d, 0x07, 0x1b, 0xeb, 0x4e,
+	0x2d, 0xed, 0xcf, 0xbd, 0x07, 0xf0, 0x37, 0x00, 0x00, 0xff, 0xff, 0x38, 0xd1, 0x0f, 0x22, 0x4f,
+	0x03, 0x00, 0x00,
+}
diff --git a/vendor/google.golang.org/appengine/internal/remote_api/remote_api.proto b/vendor/google.golang.org/appengine/internal/remote_api/remote_api.proto
new file mode 100644
index 00000000..f21763a4
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/remote_api/remote_api.proto
@@ -0,0 +1,44 @@
+syntax = "proto2";
+option go_package = "remote_api";
+
+package remote_api;
+
+message Request {
+  required string service_name = 2;
+  required string method = 3;
+  required bytes request = 4;
+  optional string request_id = 5;
+}
+
+message ApplicationError {
+  required int32 code = 1;
+  required string detail = 2;
+}
+
+message RpcError {
+  enum ErrorCode {
+    UNKNOWN = 0;
+    CALL_NOT_FOUND = 1;
+    PARSE_ERROR = 2;
+    SECURITY_VIOLATION = 3;
+    OVER_QUOTA = 4;
+    REQUEST_TOO_LARGE = 5;
+    CAPABILITY_DISABLED = 6;
+    FEATURE_DISABLED = 7;
+    BAD_REQUEST = 8;
+    RESPONSE_TOO_LARGE = 9;
+    CANCELLED = 10;
+    REPLAY_ERROR = 11;
+    DEADLINE_EXCEEDED = 12;
+  }
+  required int32 code = 1;
+  optional string detail = 2;
+}
+
+message Response {
+  optional bytes response = 1;
+  optional bytes exception = 2;
+  optional ApplicationError application_error = 3;
+  optional bytes java_exception = 4;
+  optional RpcError rpc_error = 5;
+}
diff --git a/vendor/google.golang.org/appengine/internal/transaction.go b/vendor/google.golang.org/appengine/internal/transaction.go
new file mode 100644
index 00000000..9006ae65
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/transaction.go
@@ -0,0 +1,115 @@
+// Copyright 2014 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package internal
+
+// This file implements hooks for applying datastore transactions.
+
+import (
+	"errors"
+	"reflect"
+
+	"github.com/golang/protobuf/proto"
+	netcontext "golang.org/x/net/context"
+
+	basepb "google.golang.org/appengine/internal/base"
+	pb "google.golang.org/appengine/internal/datastore"
+)
+
+var transactionSetters = make(map[reflect.Type]reflect.Value)
+
+// RegisterTransactionSetter registers a function that sets transaction information
+// in a protocol buffer message. f should be a function with two arguments,
+// the first being a protocol buffer type, and the second being *datastore.Transaction.
+func RegisterTransactionSetter(f interface{}) {
+	v := reflect.ValueOf(f)
+	transactionSetters[v.Type().In(0)] = v
+}
+
+// applyTransaction applies the transaction t to message pb
+// by using the relevant setter passed to RegisterTransactionSetter.
+func applyTransaction(pb proto.Message, t *pb.Transaction) {
+	v := reflect.ValueOf(pb)
+	if f, ok := transactionSetters[v.Type()]; ok {
+		f.Call([]reflect.Value{v, reflect.ValueOf(t)})
+	}
+}
+
+var transactionKey = "used for *Transaction"
+
+func transactionFromContext(ctx netcontext.Context) *transaction {
+	t, _ := ctx.Value(&transactionKey).(*transaction)
+	return t
+}
+
+func withTransaction(ctx netcontext.Context, t *transaction) netcontext.Context {
+	return netcontext.WithValue(ctx, &transactionKey, t)
+}
+
+type transaction struct {
+	transaction pb.Transaction
+	finished    bool
+}
+
+var ErrConcurrentTransaction = errors.New("internal: concurrent transaction")
+
+func RunTransactionOnce(c netcontext.Context, f func(netcontext.Context) error, xg bool, readOnly bool, previousTransaction *pb.Transaction) (*pb.Transaction, error) {
+	if transactionFromContext(c) != nil {
+		return nil, errors.New("nested transactions are not supported")
+	}
+
+	// Begin the transaction.
+	t := &transaction{}
+	req := &pb.BeginTransactionRequest{
+		App: proto.String(FullyQualifiedAppID(c)),
+	}
+	if xg {
+		req.AllowMultipleEg = proto.Bool(true)
+	}
+	if previousTransaction != nil {
+		req.PreviousTransaction = previousTransaction
+	}
+	if readOnly {
+		req.Mode = pb.BeginTransactionRequest_READ_ONLY.Enum()
+	} else {
+		req.Mode = pb.BeginTransactionRequest_READ_WRITE.Enum()
+	}
+	if err := Call(c, "datastore_v3", "BeginTransaction", req, &t.transaction); err != nil {
+		return nil, err
+	}
+
+	// Call f, rolling back the transaction if f returns a non-nil error, or panics.
+	// The panic is not recovered.
+	defer func() {
+		if t.finished {
+			return
+		}
+		t.finished = true
+		// Ignore the error return value, since we are already returning a non-nil
+		// error (or we're panicking).
+		Call(c, "datastore_v3", "Rollback", &t.transaction, &basepb.VoidProto{})
+	}()
+	if err := f(withTransaction(c, t)); err != nil {
+		return &t.transaction, err
+	}
+	t.finished = true
+
+	// Commit the transaction.
+	res := &pb.CommitResponse{}
+	err := Call(c, "datastore_v3", "Commit", &t.transaction, res)
+	if ae, ok := err.(*APIError); ok {
+		/* TODO: restore this conditional
+		if appengine.IsDevAppServer() {
+		*/
+		// The Python Dev AppServer raises an ApplicationError with error code 2 (which is
+		// Error.CONCURRENT_TRANSACTION) and message "Concurrency exception.".
+		if ae.Code == int32(pb.Error_BAD_REQUEST) && ae.Detail == "ApplicationError: 2 Concurrency exception." {
+			return &t.transaction, ErrConcurrentTransaction
+		}
+		if ae.Code == int32(pb.Error_CONCURRENT_TRANSACTION) {
+			return &t.transaction, ErrConcurrentTransaction
+		}
+	}
+	return &t.transaction, err
+}
diff --git a/vendor/google.golang.org/appengine/internal/urlfetch/urlfetch_service.pb.go b/vendor/google.golang.org/appengine/internal/urlfetch/urlfetch_service.pb.go
new file mode 100644
index 00000000..5f727750
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/urlfetch/urlfetch_service.pb.go
@@ -0,0 +1,527 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: google.golang.org/appengine/internal/urlfetch/urlfetch_service.proto
+
+package urlfetch
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type URLFetchServiceError_ErrorCode int32
+
+const (
+	URLFetchServiceError_OK                       URLFetchServiceError_ErrorCode = 0
+	URLFetchServiceError_INVALID_URL              URLFetchServiceError_ErrorCode = 1
+	URLFetchServiceError_FETCH_ERROR              URLFetchServiceError_ErrorCode = 2
+	URLFetchServiceError_UNSPECIFIED_ERROR        URLFetchServiceError_ErrorCode = 3
+	URLFetchServiceError_RESPONSE_TOO_LARGE       URLFetchServiceError_ErrorCode = 4
+	URLFetchServiceError_DEADLINE_EXCEEDED        URLFetchServiceError_ErrorCode = 5
+	URLFetchServiceError_SSL_CERTIFICATE_ERROR    URLFetchServiceError_ErrorCode = 6
+	URLFetchServiceError_DNS_ERROR                URLFetchServiceError_ErrorCode = 7
+	URLFetchServiceError_CLOSED                   URLFetchServiceError_ErrorCode = 8
+	URLFetchServiceError_INTERNAL_TRANSIENT_ERROR URLFetchServiceError_ErrorCode = 9
+	URLFetchServiceError_TOO_MANY_REDIRECTS       URLFetchServiceError_ErrorCode = 10
+	URLFetchServiceError_MALFORMED_REPLY          URLFetchServiceError_ErrorCode = 11
+	URLFetchServiceError_CONNECTION_ERROR         URLFetchServiceError_ErrorCode = 12
+)
+
+var URLFetchServiceError_ErrorCode_name = map[int32]string{
+	0:  "OK",
+	1:  "INVALID_URL",
+	2:  "FETCH_ERROR",
+	3:  "UNSPECIFIED_ERROR",
+	4:  "RESPONSE_TOO_LARGE",
+	5:  "DEADLINE_EXCEEDED",
+	6:  "SSL_CERTIFICATE_ERROR",
+	7:  "DNS_ERROR",
+	8:  "CLOSED",
+	9:  "INTERNAL_TRANSIENT_ERROR",
+	10: "TOO_MANY_REDIRECTS",
+	11: "MALFORMED_REPLY",
+	12: "CONNECTION_ERROR",
+}
+var URLFetchServiceError_ErrorCode_value = map[string]int32{
+	"OK":                       0,
+	"INVALID_URL":              1,
+	"FETCH_ERROR":              2,
+	"UNSPECIFIED_ERROR":        3,
+	"RESPONSE_TOO_LARGE":       4,
+	"DEADLINE_EXCEEDED":        5,
+	"SSL_CERTIFICATE_ERROR":    6,
+	"DNS_ERROR":                7,
+	"CLOSED":                   8,
+	"INTERNAL_TRANSIENT_ERROR": 9,
+	"TOO_MANY_REDIRECTS":       10,
+	"MALFORMED_REPLY":          11,
+	"CONNECTION_ERROR":         12,
+}
+
+func (x URLFetchServiceError_ErrorCode) Enum() *URLFetchServiceError_ErrorCode {
+	p := new(URLFetchServiceError_ErrorCode)
+	*p = x
+	return p
+}
+func (x URLFetchServiceError_ErrorCode) String() string {
+	return proto.EnumName(URLFetchServiceError_ErrorCode_name, int32(x))
+}
+func (x *URLFetchServiceError_ErrorCode) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(URLFetchServiceError_ErrorCode_value, data, "URLFetchServiceError_ErrorCode")
+	if err != nil {
+		return err
+	}
+	*x = URLFetchServiceError_ErrorCode(value)
+	return nil
+}
+func (URLFetchServiceError_ErrorCode) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_urlfetch_service_b245a7065f33bced, []int{0, 0}
+}
+
+type URLFetchRequest_RequestMethod int32
+
+const (
+	URLFetchRequest_GET    URLFetchRequest_RequestMethod = 1
+	URLFetchRequest_POST   URLFetchRequest_RequestMethod = 2
+	URLFetchRequest_HEAD   URLFetchRequest_RequestMethod = 3
+	URLFetchRequest_PUT    URLFetchRequest_RequestMethod = 4
+	URLFetchRequest_DELETE URLFetchRequest_RequestMethod = 5
+	URLFetchRequest_PATCH  URLFetchRequest_RequestMethod = 6
+)
+
+var URLFetchRequest_RequestMethod_name = map[int32]string{
+	1: "GET",
+	2: "POST",
+	3: "HEAD",
+	4: "PUT",
+	5: "DELETE",
+	6: "PATCH",
+}
+var URLFetchRequest_RequestMethod_value = map[string]int32{
+	"GET":    1,
+	"POST":   2,
+	"HEAD":   3,
+	"PUT":    4,
+	"DELETE": 5,
+	"PATCH":  6,
+}
+
+func (x URLFetchRequest_RequestMethod) Enum() *URLFetchRequest_RequestMethod {
+	p := new(URLFetchRequest_RequestMethod)
+	*p = x
+	return p
+}
+func (x URLFetchRequest_RequestMethod) String() string {
+	return proto.EnumName(URLFetchRequest_RequestMethod_name, int32(x))
+}
+func (x *URLFetchRequest_RequestMethod) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(URLFetchRequest_RequestMethod_value, data, "URLFetchRequest_RequestMethod")
+	if err != nil {
+		return err
+	}
+	*x = URLFetchRequest_RequestMethod(value)
+	return nil
+}
+func (URLFetchRequest_RequestMethod) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_urlfetch_service_b245a7065f33bced, []int{1, 0}
+}
+
+type URLFetchServiceError struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *URLFetchServiceError) Reset()         { *m = URLFetchServiceError{} }
+func (m *URLFetchServiceError) String() string { return proto.CompactTextString(m) }
+func (*URLFetchServiceError) ProtoMessage()    {}
+func (*URLFetchServiceError) Descriptor() ([]byte, []int) {
+	return fileDescriptor_urlfetch_service_b245a7065f33bced, []int{0}
+}
+func (m *URLFetchServiceError) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_URLFetchServiceError.Unmarshal(m, b)
+}
+func (m *URLFetchServiceError) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_URLFetchServiceError.Marshal(b, m, deterministic)
+}
+func (dst *URLFetchServiceError) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_URLFetchServiceError.Merge(dst, src)
+}
+func (m *URLFetchServiceError) XXX_Size() int {
+	return xxx_messageInfo_URLFetchServiceError.Size(m)
+}
+func (m *URLFetchServiceError) XXX_DiscardUnknown() {
+	xxx_messageInfo_URLFetchServiceError.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_URLFetchServiceError proto.InternalMessageInfo
+
+type URLFetchRequest struct {
+	Method                        *URLFetchRequest_RequestMethod `protobuf:"varint,1,req,name=Method,enum=appengine.URLFetchRequest_RequestMethod" json:"Method,omitempty"`
+	Url                           *string                        `protobuf:"bytes,2,req,name=Url" json:"Url,omitempty"`
+	Header                        []*URLFetchRequest_Header      `protobuf:"group,3,rep,name=Header,json=header" json:"header,omitempty"`
+	Payload                       []byte                         `protobuf:"bytes,6,opt,name=Payload" json:"Payload,omitempty"`
+	FollowRedirects               *bool                          `protobuf:"varint,7,opt,name=FollowRedirects,def=1" json:"FollowRedirects,omitempty"`
+	Deadline                      *float64                       `protobuf:"fixed64,8,opt,name=Deadline" json:"Deadline,omitempty"`
+	MustValidateServerCertificate *bool                          `protobuf:"varint,9,opt,name=MustValidateServerCertificate,def=1" json:"MustValidateServerCertificate,omitempty"`
+	XXX_NoUnkeyedLiteral          struct{}                       `json:"-"`
+	XXX_unrecognized              []byte                         `json:"-"`
+	XXX_sizecache                 int32                          `json:"-"`
+}
+
+func (m *URLFetchRequest) Reset()         { *m = URLFetchRequest{} }
+func (m *URLFetchRequest) String() string { return proto.CompactTextString(m) }
+func (*URLFetchRequest) ProtoMessage()    {}
+func (*URLFetchRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_urlfetch_service_b245a7065f33bced, []int{1}
+}
+func (m *URLFetchRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_URLFetchRequest.Unmarshal(m, b)
+}
+func (m *URLFetchRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_URLFetchRequest.Marshal(b, m, deterministic)
+}
+func (dst *URLFetchRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_URLFetchRequest.Merge(dst, src)
+}
+func (m *URLFetchRequest) XXX_Size() int {
+	return xxx_messageInfo_URLFetchRequest.Size(m)
+}
+func (m *URLFetchRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_URLFetchRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_URLFetchRequest proto.InternalMessageInfo
+
+const Default_URLFetchRequest_FollowRedirects bool = true
+const Default_URLFetchRequest_MustValidateServerCertificate bool = true
+
+func (m *URLFetchRequest) GetMethod() URLFetchRequest_RequestMethod {
+	if m != nil && m.Method != nil {
+		return *m.Method
+	}
+	return URLFetchRequest_GET
+}
+
+func (m *URLFetchRequest) GetUrl() string {
+	if m != nil && m.Url != nil {
+		return *m.Url
+	}
+	return ""
+}
+
+func (m *URLFetchRequest) GetHeader() []*URLFetchRequest_Header {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+func (m *URLFetchRequest) GetPayload() []byte {
+	if m != nil {
+		return m.Payload
+	}
+	return nil
+}
+
+func (m *URLFetchRequest) GetFollowRedirects() bool {
+	if m != nil && m.FollowRedirects != nil {
+		return *m.FollowRedirects
+	}
+	return Default_URLFetchRequest_FollowRedirects
+}
+
+func (m *URLFetchRequest) GetDeadline() float64 {
+	if m != nil && m.Deadline != nil {
+		return *m.Deadline
+	}
+	return 0
+}
+
+func (m *URLFetchRequest) GetMustValidateServerCertificate() bool {
+	if m != nil && m.MustValidateServerCertificate != nil {
+		return *m.MustValidateServerCertificate
+	}
+	return Default_URLFetchRequest_MustValidateServerCertificate
+}
+
+type URLFetchRequest_Header struct {
+	Key                  *string  `protobuf:"bytes,4,req,name=Key" json:"Key,omitempty"`
+	Value                *string  `protobuf:"bytes,5,req,name=Value" json:"Value,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *URLFetchRequest_Header) Reset()         { *m = URLFetchRequest_Header{} }
+func (m *URLFetchRequest_Header) String() string { return proto.CompactTextString(m) }
+func (*URLFetchRequest_Header) ProtoMessage()    {}
+func (*URLFetchRequest_Header) Descriptor() ([]byte, []int) {
+	return fileDescriptor_urlfetch_service_b245a7065f33bced, []int{1, 0}
+}
+func (m *URLFetchRequest_Header) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_URLFetchRequest_Header.Unmarshal(m, b)
+}
+func (m *URLFetchRequest_Header) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_URLFetchRequest_Header.Marshal(b, m, deterministic)
+}
+func (dst *URLFetchRequest_Header) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_URLFetchRequest_Header.Merge(dst, src)
+}
+func (m *URLFetchRequest_Header) XXX_Size() int {
+	return xxx_messageInfo_URLFetchRequest_Header.Size(m)
+}
+func (m *URLFetchRequest_Header) XXX_DiscardUnknown() {
+	xxx_messageInfo_URLFetchRequest_Header.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_URLFetchRequest_Header proto.InternalMessageInfo
+
+func (m *URLFetchRequest_Header) GetKey() string {
+	if m != nil && m.Key != nil {
+		return *m.Key
+	}
+	return ""
+}
+
+func (m *URLFetchRequest_Header) GetValue() string {
+	if m != nil && m.Value != nil {
+		return *m.Value
+	}
+	return ""
+}
+
+type URLFetchResponse struct {
+	Content               []byte                     `protobuf:"bytes,1,opt,name=Content" json:"Content,omitempty"`
+	StatusCode            *int32                     `protobuf:"varint,2,req,name=StatusCode" json:"StatusCode,omitempty"`
+	Header                []*URLFetchResponse_Header `protobuf:"group,3,rep,name=Header,json=header" json:"header,omitempty"`
+	ContentWasTruncated   *bool                      `protobuf:"varint,6,opt,name=ContentWasTruncated,def=0" json:"ContentWasTruncated,omitempty"`
+	ExternalBytesSent     *int64                     `protobuf:"varint,7,opt,name=ExternalBytesSent" json:"ExternalBytesSent,omitempty"`
+	ExternalBytesReceived *int64                     `protobuf:"varint,8,opt,name=ExternalBytesReceived" json:"ExternalBytesReceived,omitempty"`
+	FinalUrl              *string                    `protobuf:"bytes,9,opt,name=FinalUrl" json:"FinalUrl,omitempty"`
+	ApiCpuMilliseconds    *int64                     `protobuf:"varint,10,opt,name=ApiCpuMilliseconds,def=0" json:"ApiCpuMilliseconds,omitempty"`
+	ApiBytesSent          *int64                     `protobuf:"varint,11,opt,name=ApiBytesSent,def=0" json:"ApiBytesSent,omitempty"`
+	ApiBytesReceived      *int64                     `protobuf:"varint,12,opt,name=ApiBytesReceived,def=0" json:"ApiBytesReceived,omitempty"`
+	XXX_NoUnkeyedLiteral  struct{}                   `json:"-"`
+	XXX_unrecognized      []byte                     `json:"-"`
+	XXX_sizecache         int32                      `json:"-"`
+}
+
+func (m *URLFetchResponse) Reset()         { *m = URLFetchResponse{} }
+func (m *URLFetchResponse) String() string { return proto.CompactTextString(m) }
+func (*URLFetchResponse) ProtoMessage()    {}
+func (*URLFetchResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_urlfetch_service_b245a7065f33bced, []int{2}
+}
+func (m *URLFetchResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_URLFetchResponse.Unmarshal(m, b)
+}
+func (m *URLFetchResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_URLFetchResponse.Marshal(b, m, deterministic)
+}
+func (dst *URLFetchResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_URLFetchResponse.Merge(dst, src)
+}
+func (m *URLFetchResponse) XXX_Size() int {
+	return xxx_messageInfo_URLFetchResponse.Size(m)
+}
+func (m *URLFetchResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_URLFetchResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_URLFetchResponse proto.InternalMessageInfo
+
+const Default_URLFetchResponse_ContentWasTruncated bool = false
+const Default_URLFetchResponse_ApiCpuMilliseconds int64 = 0
+const Default_URLFetchResponse_ApiBytesSent int64 = 0
+const Default_URLFetchResponse_ApiBytesReceived int64 = 0
+
+func (m *URLFetchResponse) GetContent() []byte {
+	if m != nil {
+		return m.Content
+	}
+	return nil
+}
+
+func (m *URLFetchResponse) GetStatusCode() int32 {
+	if m != nil && m.StatusCode != nil {
+		return *m.StatusCode
+	}
+	return 0
+}
+
+func (m *URLFetchResponse) GetHeader() []*URLFetchResponse_Header {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+func (m *URLFetchResponse) GetContentWasTruncated() bool {
+	if m != nil && m.ContentWasTruncated != nil {
+		return *m.ContentWasTruncated
+	}
+	return Default_URLFetchResponse_ContentWasTruncated
+}
+
+func (m *URLFetchResponse) GetExternalBytesSent() int64 {
+	if m != nil && m.ExternalBytesSent != nil {
+		return *m.ExternalBytesSent
+	}
+	return 0
+}
+
+func (m *URLFetchResponse) GetExternalBytesReceived() int64 {
+	if m != nil && m.ExternalBytesReceived != nil {
+		return *m.ExternalBytesReceived
+	}
+	return 0
+}
+
+func (m *URLFetchResponse) GetFinalUrl() string {
+	if m != nil && m.FinalUrl != nil {
+		return *m.FinalUrl
+	}
+	return ""
+}
+
+func (m *URLFetchResponse) GetApiCpuMilliseconds() int64 {
+	if m != nil && m.ApiCpuMilliseconds != nil {
+		return *m.ApiCpuMilliseconds
+	}
+	return Default_URLFetchResponse_ApiCpuMilliseconds
+}
+
+func (m *URLFetchResponse) GetApiBytesSent() int64 {
+	if m != nil && m.ApiBytesSent != nil {
+		return *m.ApiBytesSent
+	}
+	return Default_URLFetchResponse_ApiBytesSent
+}
+
+func (m *URLFetchResponse) GetApiBytesReceived() int64 {
+	if m != nil && m.ApiBytesReceived != nil {
+		return *m.ApiBytesReceived
+	}
+	return Default_URLFetchResponse_ApiBytesReceived
+}
+
+type URLFetchResponse_Header struct {
+	Key                  *string  `protobuf:"bytes,4,req,name=Key" json:"Key,omitempty"`
+	Value                *string  `protobuf:"bytes,5,req,name=Value" json:"Value,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *URLFetchResponse_Header) Reset()         { *m = URLFetchResponse_Header{} }
+func (m *URLFetchResponse_Header) String() string { return proto.CompactTextString(m) }
+func (*URLFetchResponse_Header) ProtoMessage()    {}
+func (*URLFetchResponse_Header) Descriptor() ([]byte, []int) {
+	return fileDescriptor_urlfetch_service_b245a7065f33bced, []int{2, 0}
+}
+func (m *URLFetchResponse_Header) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_URLFetchResponse_Header.Unmarshal(m, b)
+}
+func (m *URLFetchResponse_Header) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_URLFetchResponse_Header.Marshal(b, m, deterministic)
+}
+func (dst *URLFetchResponse_Header) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_URLFetchResponse_Header.Merge(dst, src)
+}
+func (m *URLFetchResponse_Header) XXX_Size() int {
+	return xxx_messageInfo_URLFetchResponse_Header.Size(m)
+}
+func (m *URLFetchResponse_Header) XXX_DiscardUnknown() {
+	xxx_messageInfo_URLFetchResponse_Header.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_URLFetchResponse_Header proto.InternalMessageInfo
+
+func (m *URLFetchResponse_Header) GetKey() string {
+	if m != nil && m.Key != nil {
+		return *m.Key
+	}
+	return ""
+}
+
+func (m *URLFetchResponse_Header) GetValue() string {
+	if m != nil && m.Value != nil {
+		return *m.Value
+	}
+	return ""
+}
+
+func init() {
+	proto.RegisterType((*URLFetchServiceError)(nil), "appengine.URLFetchServiceError")
+	proto.RegisterType((*URLFetchRequest)(nil), "appengine.URLFetchRequest")
+	proto.RegisterType((*URLFetchRequest_Header)(nil), "appengine.URLFetchRequest.Header")
+	proto.RegisterType((*URLFetchResponse)(nil), "appengine.URLFetchResponse")
+	proto.RegisterType((*URLFetchResponse_Header)(nil), "appengine.URLFetchResponse.Header")
+}
+
+func init() {
+	proto.RegisterFile("google.golang.org/appengine/internal/urlfetch/urlfetch_service.proto", fileDescriptor_urlfetch_service_b245a7065f33bced)
+}
+
+var fileDescriptor_urlfetch_service_b245a7065f33bced = []byte{
+	// 770 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x94, 0x54, 0xdd, 0x6e, 0xe3, 0x54,
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+	0x19, 0xe0, 0x33, 0x38, 0x99, 0x5a, 0xde, 0x24, 0x10, 0x53, 0xee, 0xc4, 0x82, 0xcf, 0xbc, 0x37,
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+	0x00, 0x00,
+}
diff --git a/vendor/google.golang.org/appengine/internal/urlfetch/urlfetch_service.proto b/vendor/google.golang.org/appengine/internal/urlfetch/urlfetch_service.proto
new file mode 100644
index 00000000..f695edf6
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/urlfetch/urlfetch_service.proto
@@ -0,0 +1,64 @@
+syntax = "proto2";
+option go_package = "urlfetch";
+
+package appengine;
+
+message URLFetchServiceError {
+  enum ErrorCode {
+    OK = 0;
+    INVALID_URL = 1;
+    FETCH_ERROR = 2;
+    UNSPECIFIED_ERROR = 3;
+    RESPONSE_TOO_LARGE = 4;
+    DEADLINE_EXCEEDED = 5;
+    SSL_CERTIFICATE_ERROR = 6;
+    DNS_ERROR = 7;
+    CLOSED = 8;
+    INTERNAL_TRANSIENT_ERROR = 9;
+    TOO_MANY_REDIRECTS = 10;
+    MALFORMED_REPLY = 11;
+    CONNECTION_ERROR = 12;
+  }
+}
+
+message URLFetchRequest {
+  enum RequestMethod {
+    GET = 1;
+    POST = 2;
+    HEAD = 3;
+    PUT = 4;
+    DELETE = 5;
+    PATCH = 6;
+  }
+  required RequestMethod Method = 1;
+  required string Url = 2;
+  repeated group Header = 3 {
+    required string Key = 4;
+    required string Value = 5;
+  }
+  optional bytes Payload = 6 [ctype=CORD];
+
+  optional bool FollowRedirects = 7 [default=true];
+
+  optional double Deadline = 8;
+
+  optional bool MustValidateServerCertificate = 9 [default=true];
+}
+
+message URLFetchResponse {
+  optional bytes Content = 1;
+  required int32 StatusCode = 2;
+  repeated group Header = 3 {
+    required string Key = 4;
+    required string Value = 5;
+  }
+  optional bool ContentWasTruncated = 6 [default=false];
+  optional int64 ExternalBytesSent = 7;
+  optional int64 ExternalBytesReceived = 8;
+
+  optional string FinalUrl = 9;
+
+  optional int64 ApiCpuMilliseconds = 10 [default=0];
+  optional int64 ApiBytesSent = 11 [default=0];
+  optional int64 ApiBytesReceived = 12 [default=0];
+}
diff --git a/vendor/google.golang.org/appengine/urlfetch/urlfetch.go b/vendor/google.golang.org/appengine/urlfetch/urlfetch.go
new file mode 100644
index 00000000..6ffe1e6d
--- /dev/null
+++ b/vendor/google.golang.org/appengine/urlfetch/urlfetch.go
@@ -0,0 +1,210 @@
+// Copyright 2011 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+// Package urlfetch provides an http.RoundTripper implementation
+// for fetching URLs via App Engine's urlfetch service.
+package urlfetch // import "google.golang.org/appengine/urlfetch"
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/golang/protobuf/proto"
+	"golang.org/x/net/context"
+
+	"google.golang.org/appengine/internal"
+	pb "google.golang.org/appengine/internal/urlfetch"
+)
+
+// Transport is an implementation of http.RoundTripper for
+// App Engine. Users should generally create an http.Client using
+// this transport and use the Client rather than using this transport
+// directly.
+type Transport struct {
+	Context context.Context
+
+	// Controls whether the application checks the validity of SSL certificates
+	// over HTTPS connections. A value of false (the default) instructs the
+	// application to send a request to the server only if the certificate is
+	// valid and signed by a trusted certificate authority (CA), and also
+	// includes a hostname that matches the certificate. A value of true
+	// instructs the application to perform no certificate validation.
+	AllowInvalidServerCertificate bool
+}
+
+// Verify statically that *Transport implements http.RoundTripper.
+var _ http.RoundTripper = (*Transport)(nil)
+
+// Client returns an *http.Client using a default urlfetch Transport. This
+// client will have the default deadline of 5 seconds, and will check the
+// validity of SSL certificates.
+//
+// Any deadline of the provided context will be used for requests through this client;
+// if the client does not have a deadline then a 5 second default is used.
+func Client(ctx context.Context) *http.Client {
+	return &http.Client{
+		Transport: &Transport{
+			Context: ctx,
+		},
+	}
+}
+
+type bodyReader struct {
+	content   []byte
+	truncated bool
+	closed    bool
+}
+
+// ErrTruncatedBody is the error returned after the final Read() from a
+// response's Body if the body has been truncated by App Engine's proxy.
+var ErrTruncatedBody = errors.New("urlfetch: truncated body")
+
+func statusCodeToText(code int) string {
+	if t := http.StatusText(code); t != "" {
+		return t
+	}
+	return strconv.Itoa(code)
+}
+
+func (br *bodyReader) Read(p []byte) (n int, err error) {
+	if br.closed {
+		if br.truncated {
+			return 0, ErrTruncatedBody
+		}
+		return 0, io.EOF
+	}
+	n = copy(p, br.content)
+	if n > 0 {
+		br.content = br.content[n:]
+		return
+	}
+	if br.truncated {
+		br.closed = true
+		return 0, ErrTruncatedBody
+	}
+	return 0, io.EOF
+}
+
+func (br *bodyReader) Close() error {
+	br.closed = true
+	br.content = nil
+	return nil
+}
+
+// A map of the URL Fetch-accepted methods that take a request body.
+var methodAcceptsRequestBody = map[string]bool{
+	"POST":  true,
+	"PUT":   true,
+	"PATCH": true,
+}
+
+// urlString returns a valid string given a URL. This function is necessary because
+// the String method of URL doesn't correctly handle URLs with non-empty Opaque values.
+// See http://code.google.com/p/go/issues/detail?id=4860.
+func urlString(u *url.URL) string {
+	if u.Opaque == "" || strings.HasPrefix(u.Opaque, "//") {
+		return u.String()
+	}
+	aux := *u
+	aux.Opaque = "//" + aux.Host + aux.Opaque
+	return aux.String()
+}
+
+// RoundTrip issues a single HTTP request and returns its response. Per the
+// http.RoundTripper interface, RoundTrip only returns an error if there
+// was an unsupported request or the URL Fetch proxy fails.
+// Note that HTTP response codes such as 5xx, 403, 404, etc are not
+// errors as far as the transport is concerned and will be returned
+// with err set to nil.
+func (t *Transport) RoundTrip(req *http.Request) (res *http.Response, err error) {
+	methNum, ok := pb.URLFetchRequest_RequestMethod_value[req.Method]
+	if !ok {
+		return nil, fmt.Errorf("urlfetch: unsupported HTTP method %q", req.Method)
+	}
+
+	method := pb.URLFetchRequest_RequestMethod(methNum)
+
+	freq := &pb.URLFetchRequest{
+		Method:                        &method,
+		Url:                           proto.String(urlString(req.URL)),
+		FollowRedirects:               proto.Bool(false), // http.Client's responsibility
+		MustValidateServerCertificate: proto.Bool(!t.AllowInvalidServerCertificate),
+	}
+	if deadline, ok := t.Context.Deadline(); ok {
+		freq.Deadline = proto.Float64(deadline.Sub(time.Now()).Seconds())
+	}
+
+	for k, vals := range req.Header {
+		for _, val := range vals {
+			freq.Header = append(freq.Header, &pb.URLFetchRequest_Header{
+				Key:   proto.String(k),
+				Value: proto.String(val),
+			})
+		}
+	}
+	if methodAcceptsRequestBody[req.Method] && req.Body != nil {
+		// Avoid a []byte copy if req.Body has a Bytes method.
+		switch b := req.Body.(type) {
+		case interface {
+			Bytes() []byte
+		}:
+			freq.Payload = b.Bytes()
+		default:
+			freq.Payload, err = ioutil.ReadAll(req.Body)
+			if err != nil {
+				return nil, err
+			}
+		}
+	}
+
+	fres := &pb.URLFetchResponse{}
+	if err := internal.Call(t.Context, "urlfetch", "Fetch", freq, fres); err != nil {
+		return nil, err
+	}
+
+	res = &http.Response{}
+	res.StatusCode = int(*fres.StatusCode)
+	res.Status = fmt.Sprintf("%d %s", res.StatusCode, statusCodeToText(res.StatusCode))
+	res.Header = make(http.Header)
+	res.Request = req
+
+	// Faked:
+	res.ProtoMajor = 1
+	res.ProtoMinor = 1
+	res.Proto = "HTTP/1.1"
+	res.Close = true
+
+	for _, h := range fres.Header {
+		hkey := http.CanonicalHeaderKey(*h.Key)
+		hval := *h.Value
+		if hkey == "Content-Length" {
+			// Will get filled in below for all but HEAD requests.
+			if req.Method == "HEAD" {
+				res.ContentLength, _ = strconv.ParseInt(hval, 10, 64)
+			}
+			continue
+		}
+		res.Header.Add(hkey, hval)
+	}
+
+	if req.Method != "HEAD" {
+		res.ContentLength = int64(len(fres.Content))
+	}
+
+	truncated := fres.GetContentWasTruncated()
+	res.Body = &bodyReader{content: fres.Content, truncated: truncated}
+	return
+}
+
+func init() {
+	internal.RegisterErrorCodeMap("urlfetch", pb.URLFetchServiceError_ErrorCode_name)
+	internal.RegisterTimeoutErrorCode("urlfetch", int32(pb.URLFetchServiceError_DEADLINE_EXCEEDED))
+}