[VOL-4289]  Proto changes for gRPC migration

Change-Id: I317a0a865ccf78d0c37aa229c50d293a3f66c8bb
diff --git a/vendor/google.golang.org/genproto/googleapis/api/annotations/field_behavior.pb.go b/vendor/google.golang.org/genproto/googleapis/api/annotations/field_behavior.pb.go
new file mode 100644
index 0000000..164e0df
--- /dev/null
+++ b/vendor/google.golang.org/genproto/googleapis/api/annotations/field_behavior.pb.go
@@ -0,0 +1,250 @@
+// Copyright 2018 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.27.1
+// 	protoc        v3.12.2
+// source: google/api/field_behavior.proto
+
+package annotations
+
+import (
+	reflect "reflect"
+	sync "sync"
+
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	descriptorpb "google.golang.org/protobuf/types/descriptorpb"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// An indicator of the behavior of a given field (for example, that a field
+// is required in requests, or given as output but ignored as input).
+// This **does not** change the behavior in protocol buffers itself; it only
+// denotes the behavior and may affect how API tooling handles the field.
+//
+// Note: This enum **may** receive new values in the future.
+type FieldBehavior int32
+
+const (
+	// Conventional default for enums. Do not use this.
+	FieldBehavior_FIELD_BEHAVIOR_UNSPECIFIED FieldBehavior = 0
+	// Specifically denotes a field as optional.
+	// While all fields in protocol buffers are optional, this may be specified
+	// for emphasis if appropriate.
+	FieldBehavior_OPTIONAL FieldBehavior = 1
+	// Denotes a field as required.
+	// This indicates that the field **must** be provided as part of the request,
+	// and failure to do so will cause an error (usually `INVALID_ARGUMENT`).
+	FieldBehavior_REQUIRED FieldBehavior = 2
+	// Denotes a field as output only.
+	// This indicates that the field is provided in responses, but including the
+	// field in a request does nothing (the server *must* ignore it and
+	// *must not* throw an error as a result of the field's presence).
+	FieldBehavior_OUTPUT_ONLY FieldBehavior = 3
+	// Denotes a field as input only.
+	// This indicates that the field is provided in requests, and the
+	// corresponding field is not included in output.
+	FieldBehavior_INPUT_ONLY FieldBehavior = 4
+	// Denotes a field as immutable.
+	// This indicates that the field may be set once in a request to create a
+	// resource, but may not be changed thereafter.
+	FieldBehavior_IMMUTABLE FieldBehavior = 5
+	// Denotes that a (repeated) field is an unordered list.
+	// This indicates that the service may provide the elements of the list
+	// in any arbitrary  order, rather than the order the user originally
+	// provided. Additionally, the list's order may or may not be stable.
+	FieldBehavior_UNORDERED_LIST FieldBehavior = 6
+	// Denotes that this field returns a non-empty default value if not set.
+	// This indicates that if the user provides the empty value in a request,
+	// a non-empty value will be returned. The user will not be aware of what
+	// non-empty value to expect.
+	FieldBehavior_NON_EMPTY_DEFAULT FieldBehavior = 7
+)
+
+// Enum value maps for FieldBehavior.
+var (
+	FieldBehavior_name = map[int32]string{
+		0: "FIELD_BEHAVIOR_UNSPECIFIED",
+		1: "OPTIONAL",
+		2: "REQUIRED",
+		3: "OUTPUT_ONLY",
+		4: "INPUT_ONLY",
+		5: "IMMUTABLE",
+		6: "UNORDERED_LIST",
+		7: "NON_EMPTY_DEFAULT",
+	}
+	FieldBehavior_value = map[string]int32{
+		"FIELD_BEHAVIOR_UNSPECIFIED": 0,
+		"OPTIONAL":                   1,
+		"REQUIRED":                   2,
+		"OUTPUT_ONLY":                3,
+		"INPUT_ONLY":                 4,
+		"IMMUTABLE":                  5,
+		"UNORDERED_LIST":             6,
+		"NON_EMPTY_DEFAULT":          7,
+	}
+)
+
+func (x FieldBehavior) Enum() *FieldBehavior {
+	p := new(FieldBehavior)
+	*p = x
+	return p
+}
+
+func (x FieldBehavior) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (FieldBehavior) Descriptor() protoreflect.EnumDescriptor {
+	return file_google_api_field_behavior_proto_enumTypes[0].Descriptor()
+}
+
+func (FieldBehavior) Type() protoreflect.EnumType {
+	return &file_google_api_field_behavior_proto_enumTypes[0]
+}
+
+func (x FieldBehavior) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use FieldBehavior.Descriptor instead.
+func (FieldBehavior) EnumDescriptor() ([]byte, []int) {
+	return file_google_api_field_behavior_proto_rawDescGZIP(), []int{0}
+}
+
+var file_google_api_field_behavior_proto_extTypes = []protoimpl.ExtensionInfo{
+	{
+		ExtendedType:  (*descriptorpb.FieldOptions)(nil),
+		ExtensionType: ([]FieldBehavior)(nil),
+		Field:         1052,
+		Name:          "google.api.field_behavior",
+		Tag:           "varint,1052,rep,name=field_behavior,enum=google.api.FieldBehavior",
+		Filename:      "google/api/field_behavior.proto",
+	},
+}
+
+// Extension fields to descriptorpb.FieldOptions.
+var (
+	// A designation of a specific field behavior (required, output only, etc.)
+	// in protobuf messages.
+	//
+	// Examples:
+	//
+	//   string name = 1 [(google.api.field_behavior) = REQUIRED];
+	//   State state = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
+	//   google.protobuf.Duration ttl = 1
+	//     [(google.api.field_behavior) = INPUT_ONLY];
+	//   google.protobuf.Timestamp expire_time = 1
+	//     [(google.api.field_behavior) = OUTPUT_ONLY,
+	//      (google.api.field_behavior) = IMMUTABLE];
+	//
+	// repeated google.api.FieldBehavior field_behavior = 1052;
+	E_FieldBehavior = &file_google_api_field_behavior_proto_extTypes[0]
+)
+
+var File_google_api_field_behavior_proto protoreflect.FileDescriptor
+
+var file_google_api_field_behavior_proto_rawDesc = []byte{
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+}
+
+var (
+	file_google_api_field_behavior_proto_rawDescOnce sync.Once
+	file_google_api_field_behavior_proto_rawDescData = file_google_api_field_behavior_proto_rawDesc
+)
+
+func file_google_api_field_behavior_proto_rawDescGZIP() []byte {
+	file_google_api_field_behavior_proto_rawDescOnce.Do(func() {
+		file_google_api_field_behavior_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_api_field_behavior_proto_rawDescData)
+	})
+	return file_google_api_field_behavior_proto_rawDescData
+}
+
+var file_google_api_field_behavior_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_google_api_field_behavior_proto_goTypes = []interface{}{
+	(FieldBehavior)(0),                // 0: google.api.FieldBehavior
+	(*descriptorpb.FieldOptions)(nil), // 1: google.protobuf.FieldOptions
+}
+var file_google_api_field_behavior_proto_depIdxs = []int32{
+	1, // 0: google.api.field_behavior:extendee -> google.protobuf.FieldOptions
+	0, // 1: google.api.field_behavior:type_name -> google.api.FieldBehavior
+	2, // [2:2] is the sub-list for method output_type
+	2, // [2:2] is the sub-list for method input_type
+	1, // [1:2] is the sub-list for extension type_name
+	0, // [0:1] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_google_api_field_behavior_proto_init() }
+func file_google_api_field_behavior_proto_init() {
+	if File_google_api_field_behavior_proto != nil {
+		return
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_google_api_field_behavior_proto_rawDesc,
+			NumEnums:      1,
+			NumMessages:   0,
+			NumExtensions: 1,
+			NumServices:   0,
+		},
+		GoTypes:           file_google_api_field_behavior_proto_goTypes,
+		DependencyIndexes: file_google_api_field_behavior_proto_depIdxs,
+		EnumInfos:         file_google_api_field_behavior_proto_enumTypes,
+		ExtensionInfos:    file_google_api_field_behavior_proto_extTypes,
+	}.Build()
+	File_google_api_field_behavior_proto = out.File
+	file_google_api_field_behavior_proto_rawDesc = nil
+	file_google_api_field_behavior_proto_goTypes = nil
+	file_google_api_field_behavior_proto_depIdxs = nil
+}