snapshot of https://github.com/grpc/grpc-go.git (master, 2026-09-15; blobs > 131072B omitted)

internal/proto/grpc_lookup_v1/rls.pb.go

@@ -0,0 +1,328 @@
+// Copyright 2020 The gRPC Authors
+//
+// 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 v1.36.12
+// 	protoc        v5.27.1
+// source: grpc/lookup/v1/rls.proto
+
+package grpc_lookup_v1
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	anypb "google.golang.org/protobuf/types/known/anypb"
+	reflect "reflect"
+	sync "sync"
+	unsafe "unsafe"
+)
+
+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)
+)
+
+// Possible reasons for making a request.
+type RouteLookupRequest_Reason int32
+
+const (
+	RouteLookupRequest_REASON_UNKNOWN RouteLookupRequest_Reason = 0 // Unused
+	RouteLookupRequest_REASON_MISS    RouteLookupRequest_Reason = 1 // No data available in local cache
+	RouteLookupRequest_REASON_STALE   RouteLookupRequest_Reason = 2 // Data in local cache is stale
+)
+
+// Enum value maps for RouteLookupRequest_Reason.
+var (
+	RouteLookupRequest_Reason_name = map[int32]string{
+		0: "REASON_UNKNOWN",
+		1: "REASON_MISS",
+		2: "REASON_STALE",
+	}
+	RouteLookupRequest_Reason_value = map[string]int32{
+		"REASON_UNKNOWN": 0,
+		"REASON_MISS":    1,
+		"REASON_STALE":   2,
+	}
+)
+
+func (x RouteLookupRequest_Reason) Enum() *RouteLookupRequest_Reason {
+	p := new(RouteLookupRequest_Reason)
+	*p = x
+	return p
+}
+
+func (x RouteLookupRequest_Reason) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (RouteLookupRequest_Reason) Descriptor() protoreflect.EnumDescriptor {
+	return file_grpc_lookup_v1_rls_proto_enumTypes[0].Descriptor()
+}
+
+func (RouteLookupRequest_Reason) Type() protoreflect.EnumType {
+	return &file_grpc_lookup_v1_rls_proto_enumTypes[0]
+}
+
+func (x RouteLookupRequest_Reason) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use RouteLookupRequest_Reason.Descriptor instead.
+func (RouteLookupRequest_Reason) EnumDescriptor() ([]byte, []int) {
+	return file_grpc_lookup_v1_rls_proto_rawDescGZIP(), []int{0, 0}
+}
+
+type RouteLookupRequest struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// Target type allows the client to specify what kind of target format it
+	// would like from RLS to allow it to find the regional server, e.g. "grpc".
+	TargetType string `protobuf:"bytes,3,opt,name=target_type,json=targetType,proto3" json:"target_type,omitempty"`
+	// Reason for making this request.
+	Reason RouteLookupRequest_Reason `protobuf:"varint,5,opt,name=reason,proto3,enum=grpc.lookup.v1.RouteLookupRequest_Reason" json:"reason,omitempty"`
+	// For REASON_STALE, the header_data from the stale response, if any.
+	StaleHeaderData string `protobuf:"bytes,6,opt,name=stale_header_data,json=staleHeaderData,proto3" json:"stale_header_data,omitempty"`
+	// Map of key values extracted via key builders for the gRPC or HTTP request.
+	KeyMap map[string]string `protobuf:"bytes,4,rep,name=key_map,json=keyMap,proto3" json:"key_map,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
+	// Application-specific optional extensions.
+	Extensions    []*anypb.Any `protobuf:"bytes,7,rep,name=extensions,proto3" json:"extensions,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *RouteLookupRequest) Reset() {
+	*x = RouteLookupRequest{}
+	mi := &file_grpc_lookup_v1_rls_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *RouteLookupRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RouteLookupRequest) ProtoMessage() {}
+
+func (x *RouteLookupRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lookup_v1_rls_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RouteLookupRequest.ProtoReflect.Descriptor instead.
+func (*RouteLookupRequest) Descriptor() ([]byte, []int) {
+	return file_grpc_lookup_v1_rls_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *RouteLookupRequest) GetTargetType() string {
+	if x != nil {
+		return x.TargetType
+	}
+	return ""
+}
+
+func (x *RouteLookupRequest) GetReason() RouteLookupRequest_Reason {
+	if x != nil {
+		return x.Reason
+	}
+	return RouteLookupRequest_REASON_UNKNOWN
+}
+
+func (x *RouteLookupRequest) GetStaleHeaderData() string {
+	if x != nil {
+		return x.StaleHeaderData
+	}
+	return ""
+}
+
+func (x *RouteLookupRequest) GetKeyMap() map[string]string {
+	if x != nil {
+		return x.KeyMap
+	}
+	return nil
+}
+
+func (x *RouteLookupRequest) GetExtensions() []*anypb.Any {
+	if x != nil {
+		return x.Extensions
+	}
+	return nil
+}
+
+type RouteLookupResponse struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// Prioritized list (best one first) of addressable entities to use
+	// for routing, using syntax requested by the request target_type.
+	// The targets will be tried in order until a healthy one is found.
+	Targets []string `protobuf:"bytes,3,rep,name=targets,proto3" json:"targets,omitempty"`
+	// Optional header value to pass along to AFE in the X-Google-RLS-Data header.
+	// Cached with "target" and sent with all requests that match the request key.
+	// Allows the RLS to pass its work product to the eventual target.
+	HeaderData string `protobuf:"bytes,2,opt,name=header_data,json=headerData,proto3" json:"header_data,omitempty"`
+	// Application-specific optional extensions.
+	Extensions    []*anypb.Any `protobuf:"bytes,4,rep,name=extensions,proto3" json:"extensions,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *RouteLookupResponse) Reset() {
+	*x = RouteLookupResponse{}
+	mi := &file_grpc_lookup_v1_rls_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *RouteLookupResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RouteLookupResponse) ProtoMessage() {}
+
+func (x *RouteLookupResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lookup_v1_rls_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RouteLookupResponse.ProtoReflect.Descriptor instead.
+func (*RouteLookupResponse) Descriptor() ([]byte, []int) {
+	return file_grpc_lookup_v1_rls_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *RouteLookupResponse) GetTargets() []string {
+	if x != nil {
+		return x.Targets
+	}
+	return nil
+}
+
+func (x *RouteLookupResponse) GetHeaderData() string {
+	if x != nil {
+		return x.HeaderData
+	}
+	return ""
+}
+
+func (x *RouteLookupResponse) GetExtensions() []*anypb.Any {
+	if x != nil {
+		return x.Extensions
+	}
+	return nil
+}
+
+var File_grpc_lookup_v1_rls_proto protoreflect.FileDescriptor
+
+const file_grpc_lookup_v1_rls_proto_rawDesc = "" +
+	"\n" +
+	"\x18grpc/lookup/v1/rls.proto\x12\x0egrpc.lookup.v1\x1a\x19google/protobuf/any.proto\"\xb9\x03\n" +
+	"\x12RouteLookupRequest\x12\x1f\n" +
+	"\vtarget_type\x18\x03 \x01(\tR\n" +
+	"targetType\x12A\n" +
+	"\x06reason\x18\x05 \x01(\x0e2).grpc.lookup.v1.RouteLookupRequest.ReasonR\x06reason\x12*\n" +
+	"\x11stale_header_data\x18\x06 \x01(\tR\x0fstaleHeaderData\x12G\n" +
+	"\akey_map\x18\x04 \x03(\v2..grpc.lookup.v1.RouteLookupRequest.KeyMapEntryR\x06keyMap\x124\n" +
+	"\n" +
+	"extensions\x18\a \x03(\v2\x14.google.protobuf.AnyR\n" +
+	"extensions\x1a9\n" +
+	"\vKeyMapEntry\x12\x10\n" +
+	"\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n" +
+	"\x05value\x18\x02 \x01(\tR\x05value:\x028\x01\"?\n" +
+	"\x06Reason\x12\x12\n" +
+	"\x0eREASON_UNKNOWN\x10\x00\x12\x0f\n" +
+	"\vREASON_MISS\x10\x01\x12\x10\n" +
+	"\fREASON_STALE\x10\x02J\x04\b\x01\x10\x02J\x04\b\x02\x10\x03R\x06serverR\x04path\"\x94\x01\n" +
+	"\x13RouteLookupResponse\x12\x18\n" +
+	"\atargets\x18\x03 \x03(\tR\atargets\x12\x1f\n" +
+	"\vheader_data\x18\x02 \x01(\tR\n" +
+	"headerData\x124\n" +
+	"\n" +
+	"extensions\x18\x04 \x03(\v2\x14.google.protobuf.AnyR\n" +
+	"extensionsJ\x04\b\x01\x10\x02R\x06target2n\n" +
+	"\x12RouteLookupService\x12X\n" +
+	"\vRouteLookup\x12\".grpc.lookup.v1.RouteLookupRequest\x1a#.grpc.lookup.v1.RouteLookupResponse\"\x00BM\n" +
+	"\x11io.grpc.lookup.v1B\bRlsProtoP\x01Z,google.golang.org/grpc/lookup/grpc_lookup_v1b\x06proto3"
+
+var (
+	file_grpc_lookup_v1_rls_proto_rawDescOnce sync.Once
+	file_grpc_lookup_v1_rls_proto_rawDescData []byte
+)
+
+func file_grpc_lookup_v1_rls_proto_rawDescGZIP() []byte {
+	file_grpc_lookup_v1_rls_proto_rawDescOnce.Do(func() {
+		file_grpc_lookup_v1_rls_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_grpc_lookup_v1_rls_proto_rawDesc), len(file_grpc_lookup_v1_rls_proto_rawDesc)))
+	})
+	return file_grpc_lookup_v1_rls_proto_rawDescData
+}
+
+var file_grpc_lookup_v1_rls_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_grpc_lookup_v1_rls_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
+var file_grpc_lookup_v1_rls_proto_goTypes = []any{
+	(RouteLookupRequest_Reason)(0), // 0: grpc.lookup.v1.RouteLookupRequest.Reason
+	(*RouteLookupRequest)(nil),     // 1: grpc.lookup.v1.RouteLookupRequest
+	(*RouteLookupResponse)(nil),    // 2: grpc.lookup.v1.RouteLookupResponse
+	nil,                            // 3: grpc.lookup.v1.RouteLookupRequest.KeyMapEntry
+	(*anypb.Any)(nil),              // 4: google.protobuf.Any
+}
+var file_grpc_lookup_v1_rls_proto_depIdxs = []int32{
+	0, // 0: grpc.lookup.v1.RouteLookupRequest.reason:type_name -> grpc.lookup.v1.RouteLookupRequest.Reason
+	3, // 1: grpc.lookup.v1.RouteLookupRequest.key_map:type_name -> grpc.lookup.v1.RouteLookupRequest.KeyMapEntry
+	4, // 2: grpc.lookup.v1.RouteLookupRequest.extensions:type_name -> google.protobuf.Any
+	4, // 3: grpc.lookup.v1.RouteLookupResponse.extensions:type_name -> google.protobuf.Any
+	1, // 4: grpc.lookup.v1.RouteLookupService.RouteLookup:input_type -> grpc.lookup.v1.RouteLookupRequest
+	2, // 5: grpc.lookup.v1.RouteLookupService.RouteLookup:output_type -> grpc.lookup.v1.RouteLookupResponse
+	5, // [5:6] is the sub-list for method output_type
+	4, // [4:5] is the sub-list for method input_type
+	4, // [4:4] is the sub-list for extension type_name
+	4, // [4:4] is the sub-list for extension extendee
+	0, // [0:4] is the sub-list for field type_name
+}
+
+func init() { file_grpc_lookup_v1_rls_proto_init() }
+func file_grpc_lookup_v1_rls_proto_init() {
+	if File_grpc_lookup_v1_rls_proto != nil {
+		return
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_grpc_lookup_v1_rls_proto_rawDesc), len(file_grpc_lookup_v1_rls_proto_rawDesc)),
+			NumEnums:      1,
+			NumMessages:   3,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_grpc_lookup_v1_rls_proto_goTypes,
+		DependencyIndexes: file_grpc_lookup_v1_rls_proto_depIdxs,
+		EnumInfos:         file_grpc_lookup_v1_rls_proto_enumTypes,
+		MessageInfos:      file_grpc_lookup_v1_rls_proto_msgTypes,
+	}.Build()
+	File_grpc_lookup_v1_rls_proto = out.File
+	file_grpc_lookup_v1_rls_proto_goTypes = nil
+	file_grpc_lookup_v1_rls_proto_depIdxs = nil
+}

internal/proto/grpc_lookup_v1/rls_config.pb.go

@@ -0,0 +1,774 @@
+// Copyright 2020 The gRPC Authors
+//
+// 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 v1.36.12
+// 	protoc        v5.27.1
+// source: grpc/lookup/v1/rls_config.proto
+
+package grpc_lookup_v1
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	durationpb "google.golang.org/protobuf/types/known/durationpb"
+	reflect "reflect"
+	sync "sync"
+	unsafe "unsafe"
+)
+
+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)
+)
+
+// Extract a key based on a given name (e.g. header name or query parameter
+// name).  The name must match one of the names listed in the "name" field.  If
+// the "required_match" field is true, one of the specified names must be
+// present for the keybuilder to match.
+type NameMatcher struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// The name that will be used in the RLS key_map to refer to this value.
+	// If required_match is true, you may omit this field or set it to an empty
+	// string, in which case the matcher will require a match, but won't update
+	// the key_map.
+	Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	// Ordered list of names (headers or query parameter names) that can supply
+	// this value; the first one with a non-empty value is used.
+	Names []string `protobuf:"bytes,2,rep,name=names,proto3" json:"names,omitempty"`
+	// If true, make this extraction required; the key builder will not match
+	// if no value is found.
+	RequiredMatch bool `protobuf:"varint,3,opt,name=required_match,json=requiredMatch,proto3" json:"required_match,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *NameMatcher) Reset() {
+	*x = NameMatcher{}
+	mi := &file_grpc_lookup_v1_rls_config_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *NameMatcher) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*NameMatcher) ProtoMessage() {}
+
+func (x *NameMatcher) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lookup_v1_rls_config_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use NameMatcher.ProtoReflect.Descriptor instead.
+func (*NameMatcher) Descriptor() ([]byte, []int) {
+	return file_grpc_lookup_v1_rls_config_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *NameMatcher) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (x *NameMatcher) GetNames() []string {
+	if x != nil {
+		return x.Names
+	}
+	return nil
+}
+
+func (x *NameMatcher) GetRequiredMatch() bool {
+	if x != nil {
+		return x.RequiredMatch
+	}
+	return false
+}
+
+// A GrpcKeyBuilder applies to a given gRPC service, name, and headers.
+type GrpcKeyBuilder struct {
+	state     protoimpl.MessageState    `protogen:"open.v1"`
+	Names     []*GrpcKeyBuilder_Name    `protobuf:"bytes,1,rep,name=names,proto3" json:"names,omitempty"`
+	ExtraKeys *GrpcKeyBuilder_ExtraKeys `protobuf:"bytes,3,opt,name=extra_keys,json=extraKeys,proto3" json:"extra_keys,omitempty"`
+	// Extract keys from all listed headers.
+	// For gRPC, it is an error to specify "required_match" on the NameMatcher
+	// protos.
+	Headers []*NameMatcher `protobuf:"bytes,2,rep,name=headers,proto3" json:"headers,omitempty"`
+	// You can optionally set one or more specific key/value pairs to be added to
+	// the key_map.  This can be useful to identify which builder built the key,
+	// for example if you are suppressing the actual method, but need to
+	// separately cache and request all the matched methods.
+	ConstantKeys  map[string]string `protobuf:"bytes,4,rep,name=constant_keys,json=constantKeys,proto3" json:"constant_keys,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *GrpcKeyBuilder) Reset() {
+	*x = GrpcKeyBuilder{}
+	mi := &file_grpc_lookup_v1_rls_config_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GrpcKeyBuilder) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcKeyBuilder) ProtoMessage() {}
+
+func (x *GrpcKeyBuilder) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lookup_v1_rls_config_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcKeyBuilder.ProtoReflect.Descriptor instead.
+func (*GrpcKeyBuilder) Descriptor() ([]byte, []int) {
+	return file_grpc_lookup_v1_rls_config_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *GrpcKeyBuilder) GetNames() []*GrpcKeyBuilder_Name {
+	if x != nil {
+		return x.Names
+	}
+	return nil
+}
+
+func (x *GrpcKeyBuilder) GetExtraKeys() *GrpcKeyBuilder_ExtraKeys {
+	if x != nil {
+		return x.ExtraKeys
+	}
+	return nil
+}
+
+func (x *GrpcKeyBuilder) GetHeaders() []*NameMatcher {
+	if x != nil {
+		return x.Headers
+	}
+	return nil
+}
+
+func (x *GrpcKeyBuilder) GetConstantKeys() map[string]string {
+	if x != nil {
+		return x.ConstantKeys
+	}
+	return nil
+}
+
+// An HttpKeyBuilder applies to a given HTTP URL and headers.
+//
+// Path and host patterns use the matching syntax from gRPC transcoding to
+// extract named key/value pairs from the path and host components of the URL:
+// https://github.com/googleapis/googleapis/blob/master/google/api/http.proto
+//
+// It is invalid to specify the same key name in multiple places in a pattern.
+//
+// For a service where the project id can be expressed either as a subdomain or
+// in the path, separate HttpKeyBuilders must be used:
+//
+//	host_pattern: 'example.com' path_pattern: '/{id}/{object}/**'
+//	host_pattern: '{id}.example.com' path_pattern: '/{object}/**'
+//
+// If the host is exactly 'example.com', the first path segment will be used as
+// the id and the second segment as the object. If the host has a subdomain, the
+// subdomain will be used as the id and the first segment as the object. If
+// neither pattern matches, no keys will be extracted.
+type HttpKeyBuilder struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// host_pattern is an ordered list of host template patterns for the desired
+	// value.  If any host_pattern values are specified, then at least one must
+	// match, and the last one wins and sets any specified variables.  A host
+	// consists of labels separated by dots. Each label is matched against the
+	// label in the pattern as follows:
+	//   - "*": Matches any single label.
+	//   - "**": Matches zero or more labels (first or last part of host only).
+	//   - "{<name>=...}": One or more label capture, where "..." can be any
+	//     template that does not include a capture.
+	//   - "{<name>}": A single label capture. Identical to {<name>=*}.
+	//
+	// Examples:
+	//   - "example.com": Only applies to the exact host example.com.
+	//   - "*.example.com": Matches subdomains of example.com.
+	//   - "**.example.com": matches example.com, and all levels of subdomains.
+	//   - "{project}.example.com": Extracts the third level subdomain.
+	//   - "{project=**}.example.com": Extracts the third level+ subdomains.
+	//   - "{project=**}": Extracts the entire host.
+	HostPatterns []string `protobuf:"bytes,1,rep,name=host_patterns,json=hostPatterns,proto3" json:"host_patterns,omitempty"`
+	// path_pattern is an ordered list of path template patterns for the desired
+	// value.  If any path_pattern values are specified, then at least one must
+	// match, and the last one wins and sets any specified variables.  A path
+	// consists of segments separated by slashes. Each segment is matched against
+	// the segment in the pattern as follows:
+	//   - "*": Matches any single segment.
+	//   - "**": Matches zero or more segments (first or last part of path only).
+	//   - "{<name>=...}": One or more segment capture, where "..." can be any
+	//     template that does not include a capture.
+	//   - "{<name>}": A single segment capture. Identical to {<name>=*}.
+	//
+	// A custom method may also be specified by appending ":" and the custom
+	// method name or "*" to indicate any custom method (including no custom
+	// method).  For example, "/*/projects/{project_id}/**:*" extracts
+	// `{project_id}` for any version, resource and custom method that includes
+	// it.  By default, any custom method will be matched.
+	//
+	// Examples:
+	//   - "/v1/{name=messages/*}": extracts a name like "messages/12345".
+	//   - "/v1/messages/{message_id}": extracts a message_id like "12345".
+	//   - "/v1/users/{user_id}/messages/{message_id}": extracts two key values.
+	PathPatterns []string `protobuf:"bytes,2,rep,name=path_patterns,json=pathPatterns,proto3" json:"path_patterns,omitempty"`
+	// List of query parameter names to try to match.
+	// For example: ["parent", "name", "resource.name"]
+	// We extract all the specified query_parameters (case-sensitively).  If any
+	// are marked as "required_match" and are not present, this keybuilder fails
+	// to match.  If a given parameter appears multiple times (?foo=a&foo=b) we
+	// will report it as a comma-separated string (foo=a,b).
+	QueryParameters []*NameMatcher `protobuf:"bytes,3,rep,name=query_parameters,json=queryParameters,proto3" json:"query_parameters,omitempty"`
+	// List of headers to try to match.
+	// We extract all the specified header values (case-insensitively).  If any
+	// are marked as "required_match" and are not present, this keybuilder fails
+	// to match.  If a given header appears multiple times in the request we will
+	// report it as a comma-separated string, in standard HTTP fashion.
+	Headers []*NameMatcher `protobuf:"bytes,4,rep,name=headers,proto3" json:"headers,omitempty"`
+	// You can optionally set one or more specific key/value pairs to be added to
+	// the key_map.  This can be useful to identify which builder built the key,
+	// for example if you are suppressing a lot of information from the URL, but
+	// need to separately cache and request URLs with that content.
+	ConstantKeys map[string]string `protobuf:"bytes,5,rep,name=constant_keys,json=constantKeys,proto3" json:"constant_keys,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
+	// If specified, the HTTP method/verb will be extracted under this key name.
+	Method        string `protobuf:"bytes,6,opt,name=method,proto3" json:"method,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *HttpKeyBuilder) Reset() {
+	*x = HttpKeyBuilder{}
+	mi := &file_grpc_lookup_v1_rls_config_proto_msgTypes[2]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *HttpKeyBuilder) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HttpKeyBuilder) ProtoMessage() {}
+
+func (x *HttpKeyBuilder) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lookup_v1_rls_config_proto_msgTypes[2]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HttpKeyBuilder.ProtoReflect.Descriptor instead.
+func (*HttpKeyBuilder) Descriptor() ([]byte, []int) {
+	return file_grpc_lookup_v1_rls_config_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *HttpKeyBuilder) GetHostPatterns() []string {
+	if x != nil {
+		return x.HostPatterns
+	}
+	return nil
+}
+
+func (x *HttpKeyBuilder) GetPathPatterns() []string {
+	if x != nil {
+		return x.PathPatterns
+	}
+	return nil
+}
+
+func (x *HttpKeyBuilder) GetQueryParameters() []*NameMatcher {
+	if x != nil {
+		return x.QueryParameters
+	}
+	return nil
+}
+
+func (x *HttpKeyBuilder) GetHeaders() []*NameMatcher {
+	if x != nil {
+		return x.Headers
+	}
+	return nil
+}
+
+func (x *HttpKeyBuilder) GetConstantKeys() map[string]string {
+	if x != nil {
+		return x.ConstantKeys
+	}
+	return nil
+}
+
+func (x *HttpKeyBuilder) GetMethod() string {
+	if x != nil {
+		return x.Method
+	}
+	return ""
+}
+
+type RouteLookupConfig struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// Ordered specifications for constructing keys for HTTP requests.  Last
+	// match wins.  If no HttpKeyBuilder matches, an empty key_map will be sent to
+	// the lookup service; it should likely reply with a global default route
+	// and raise an alert.
+	HttpKeybuilders []*HttpKeyBuilder `protobuf:"bytes,1,rep,name=http_keybuilders,json=httpKeybuilders,proto3" json:"http_keybuilders,omitempty"`
+	// Unordered specifications for constructing keys for gRPC requests.  All
+	// GrpcKeyBuilders on this list must have unique "name" fields so that the
+	// client is free to prebuild a hash map keyed by name.  If no GrpcKeyBuilder
+	// matches, an empty key_map will be sent to the lookup service; it should
+	// likely reply with a global default route and raise an alert.
+	GrpcKeybuilders []*GrpcKeyBuilder `protobuf:"bytes,2,rep,name=grpc_keybuilders,json=grpcKeybuilders,proto3" json:"grpc_keybuilders,omitempty"`
+	// The name of the lookup service as a gRPC URI.  Typically, this will be
+	// a subdomain of the target, such as "lookup.datastore.googleapis.com".
+	LookupService string `protobuf:"bytes,3,opt,name=lookup_service,json=lookupService,proto3" json:"lookup_service,omitempty"`
+	// Configure a timeout value for lookup service requests.
+	// Defaults to 10 seconds if not specified.
+	LookupServiceTimeout *durationpb.Duration `protobuf:"bytes,4,opt,name=lookup_service_timeout,json=lookupServiceTimeout,proto3" json:"lookup_service_timeout,omitempty"`
+	// How long are responses valid for (like HTTP Cache-Control).
+	// If omitted or zero, the longest valid cache time is used.
+	// This value is clamped to 5 minutes to avoid unflushable bad responses,
+	// unless stale_age is specified.
+	MaxAge *durationpb.Duration `protobuf:"bytes,5,opt,name=max_age,json=maxAge,proto3" json:"max_age,omitempty"`
+	// After a response has been in the client cache for this amount of time
+	// and is re-requested, start an asynchronous RPC to re-validate it.
+	// This value should be less than max_age by at least the length of a
+	// typical RTT to the Route Lookup Service to fully mask the RTT latency.
+	// If omitted, keys are only re-requested after they have expired.
+	// This value is clamped to 5 minutes.
+	StaleAge *durationpb.Duration `protobuf:"bytes,6,opt,name=stale_age,json=staleAge,proto3" json:"stale_age,omitempty"`
+	// Rough indicator of amount of memory to use for the client cache.  Some of
+	// the data structure overhead is not accounted for, so actual memory consumed
+	// will be somewhat greater than this value.  If this field is omitted or set
+	// to zero, a client default will be used.  The value may be capped to a lower
+	// amount based on client configuration.
+	CacheSizeBytes int64 `protobuf:"varint,7,opt,name=cache_size_bytes,json=cacheSizeBytes,proto3" json:"cache_size_bytes,omitempty"`
+	// This is a list of all the possible targets that can be returned by the
+	// lookup service.  If a target not on this list is returned, it will be
+	// treated the same as an unhealthy target.
+	ValidTargets []string `protobuf:"bytes,8,rep,name=valid_targets,json=validTargets,proto3" json:"valid_targets,omitempty"`
+	// This value provides a default target to use if needed.  If set, it will be
+	// used if RLS returns an error, times out, or returns an invalid response.
+	// Note that requests can be routed only to a subdomain of the original
+	// target, e.g. "us_east_1.cloudbigtable.googleapis.com".
+	DefaultTarget string `protobuf:"bytes,9,opt,name=default_target,json=defaultTarget,proto3" json:"default_target,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *RouteLookupConfig) Reset() {
+	*x = RouteLookupConfig{}
+	mi := &file_grpc_lookup_v1_rls_config_proto_msgTypes[3]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *RouteLookupConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RouteLookupConfig) ProtoMessage() {}
+
+func (x *RouteLookupConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lookup_v1_rls_config_proto_msgTypes[3]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RouteLookupConfig.ProtoReflect.Descriptor instead.
+func (*RouteLookupConfig) Descriptor() ([]byte, []int) {
+	return file_grpc_lookup_v1_rls_config_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *RouteLookupConfig) GetHttpKeybuilders() []*HttpKeyBuilder {
+	if x != nil {
+		return x.HttpKeybuilders
+	}
+	return nil
+}
+
+func (x *RouteLookupConfig) GetGrpcKeybuilders() []*GrpcKeyBuilder {
+	if x != nil {
+		return x.GrpcKeybuilders
+	}
+	return nil
+}
+
+func (x *RouteLookupConfig) GetLookupService() string {
+	if x != nil {
+		return x.LookupService
+	}
+	return ""
+}
+
+func (x *RouteLookupConfig) GetLookupServiceTimeout() *durationpb.Duration {
+	if x != nil {
+		return x.LookupServiceTimeout
+	}
+	return nil
+}
+
+func (x *RouteLookupConfig) GetMaxAge() *durationpb.Duration {
+	if x != nil {
+		return x.MaxAge
+	}
+	return nil
+}
+
+func (x *RouteLookupConfig) GetStaleAge() *durationpb.Duration {
+	if x != nil {
+		return x.StaleAge
+	}
+	return nil
+}
+
+func (x *RouteLookupConfig) GetCacheSizeBytes() int64 {
+	if x != nil {
+		return x.CacheSizeBytes
+	}
+	return 0
+}
+
+func (x *RouteLookupConfig) GetValidTargets() []string {
+	if x != nil {
+		return x.ValidTargets
+	}
+	return nil
+}
+
+func (x *RouteLookupConfig) GetDefaultTarget() string {
+	if x != nil {
+		return x.DefaultTarget
+	}
+	return ""
+}
+
+// RouteLookupClusterSpecifier is used in xDS to represent a cluster specifier
+// plugin for RLS.
+type RouteLookupClusterSpecifier struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// The RLS config for this cluster specifier plugin instance.
+	RouteLookupConfig *RouteLookupConfig `protobuf:"bytes,1,opt,name=route_lookup_config,json=routeLookupConfig,proto3" json:"route_lookup_config,omitempty"`
+	unknownFields     protoimpl.UnknownFields
+	sizeCache         protoimpl.SizeCache
+}
+
+func (x *RouteLookupClusterSpecifier) Reset() {
+	*x = RouteLookupClusterSpecifier{}
+	mi := &file_grpc_lookup_v1_rls_config_proto_msgTypes[4]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *RouteLookupClusterSpecifier) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RouteLookupClusterSpecifier) ProtoMessage() {}
+
+func (x *RouteLookupClusterSpecifier) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lookup_v1_rls_config_proto_msgTypes[4]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RouteLookupClusterSpecifier.ProtoReflect.Descriptor instead.
+func (*RouteLookupClusterSpecifier) Descriptor() ([]byte, []int) {
+	return file_grpc_lookup_v1_rls_config_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *RouteLookupClusterSpecifier) GetRouteLookupConfig() *RouteLookupConfig {
+	if x != nil {
+		return x.RouteLookupConfig
+	}
+	return nil
+}
+
+// To match, one of the given Name fields must match; the service and method
+// fields are specified as fixed strings.  The service name is required and
+// includes the proto package name.  The method name may be omitted, in
+// which case any method on the given service is matched.
+type GrpcKeyBuilder_Name struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Service       string                 `protobuf:"bytes,1,opt,name=service,proto3" json:"service,omitempty"`
+	Method        string                 `protobuf:"bytes,2,opt,name=method,proto3" json:"method,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *GrpcKeyBuilder_Name) Reset() {
+	*x = GrpcKeyBuilder_Name{}
+	mi := &file_grpc_lookup_v1_rls_config_proto_msgTypes[5]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GrpcKeyBuilder_Name) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcKeyBuilder_Name) ProtoMessage() {}
+
+func (x *GrpcKeyBuilder_Name) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lookup_v1_rls_config_proto_msgTypes[5]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcKeyBuilder_Name.ProtoReflect.Descriptor instead.
+func (*GrpcKeyBuilder_Name) Descriptor() ([]byte, []int) {
+	return file_grpc_lookup_v1_rls_config_proto_rawDescGZIP(), []int{1, 0}
+}
+
+func (x *GrpcKeyBuilder_Name) GetService() string {
+	if x != nil {
+		return x.Service
+	}
+	return ""
+}
+
+func (x *GrpcKeyBuilder_Name) GetMethod() string {
+	if x != nil {
+		return x.Method
+	}
+	return ""
+}
+
+// If you wish to include the host, service, or method names as keys in the
+// generated RouteLookupRequest, specify key names to use in the extra_keys
+// submessage. If a key name is empty, no key will be set for that value.
+// If this submessage is specified, the normal host/path fields will be left
+// unset in the RouteLookupRequest. We are deprecating host/path in the
+// RouteLookupRequest, so services should migrate to the ExtraKeys approach.
+type GrpcKeyBuilder_ExtraKeys struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Host          string                 `protobuf:"bytes,1,opt,name=host,proto3" json:"host,omitempty"`
+	Service       string                 `protobuf:"bytes,2,opt,name=service,proto3" json:"service,omitempty"`
+	Method        string                 `protobuf:"bytes,3,opt,name=method,proto3" json:"method,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *GrpcKeyBuilder_ExtraKeys) Reset() {
+	*x = GrpcKeyBuilder_ExtraKeys{}
+	mi := &file_grpc_lookup_v1_rls_config_proto_msgTypes[6]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GrpcKeyBuilder_ExtraKeys) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcKeyBuilder_ExtraKeys) ProtoMessage() {}
+
+func (x *GrpcKeyBuilder_ExtraKeys) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lookup_v1_rls_config_proto_msgTypes[6]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcKeyBuilder_ExtraKeys.ProtoReflect.Descriptor instead.
+func (*GrpcKeyBuilder_ExtraKeys) Descriptor() ([]byte, []int) {
+	return file_grpc_lookup_v1_rls_config_proto_rawDescGZIP(), []int{1, 1}
+}
+
+func (x *GrpcKeyBuilder_ExtraKeys) GetHost() string {
+	if x != nil {
+		return x.Host
+	}
+	return ""
+}
+
+func (x *GrpcKeyBuilder_ExtraKeys) GetService() string {
+	if x != nil {
+		return x.Service
+	}
+	return ""
+}
+
+func (x *GrpcKeyBuilder_ExtraKeys) GetMethod() string {
+	if x != nil {
+		return x.Method
+	}
+	return ""
+}
+
+var File_grpc_lookup_v1_rls_config_proto protoreflect.FileDescriptor
+
+const file_grpc_lookup_v1_rls_config_proto_rawDesc = "" +
+	"\n" +
+	"\x1fgrpc/lookup/v1/rls_config.proto\x12\x0egrpc.lookup.v1\x1a\x1egoogle/protobuf/duration.proto\"\\\n" +
+	"\vNameMatcher\x12\x10\n" +
+	"\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n" +
+	"\x05names\x18\x02 \x03(\tR\x05names\x12%\n" +
+	"\x0erequired_match\x18\x03 \x01(\bR\rrequiredMatch\"\xf0\x03\n" +
+	"\x0eGrpcKeyBuilder\x129\n" +
+	"\x05names\x18\x01 \x03(\v2#.grpc.lookup.v1.GrpcKeyBuilder.NameR\x05names\x12G\n" +
+	"\n" +
+	"extra_keys\x18\x03 \x01(\v2(.grpc.lookup.v1.GrpcKeyBuilder.ExtraKeysR\textraKeys\x125\n" +
+	"\aheaders\x18\x02 \x03(\v2\x1b.grpc.lookup.v1.NameMatcherR\aheaders\x12U\n" +
+	"\rconstant_keys\x18\x04 \x03(\v20.grpc.lookup.v1.GrpcKeyBuilder.ConstantKeysEntryR\fconstantKeys\x1a8\n" +
+	"\x04Name\x12\x18\n" +
+	"\aservice\x18\x01 \x01(\tR\aservice\x12\x16\n" +
+	"\x06method\x18\x02 \x01(\tR\x06method\x1aQ\n" +
+	"\tExtraKeys\x12\x12\n" +
+	"\x04host\x18\x01 \x01(\tR\x04host\x12\x18\n" +
+	"\aservice\x18\x02 \x01(\tR\aservice\x12\x16\n" +
+	"\x06method\x18\x03 \x01(\tR\x06method\x1a?\n" +
+	"\x11ConstantKeysEntry\x12\x10\n" +
+	"\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n" +
+	"\x05value\x18\x02 \x01(\tR\x05value:\x028\x01\"\x89\x03\n" +
+	"\x0eHttpKeyBuilder\x12#\n" +
+	"\rhost_patterns\x18\x01 \x03(\tR\fhostPatterns\x12#\n" +
+	"\rpath_patterns\x18\x02 \x03(\tR\fpathPatterns\x12F\n" +
+	"\x10query_parameters\x18\x03 \x03(\v2\x1b.grpc.lookup.v1.NameMatcherR\x0fqueryParameters\x125\n" +
+	"\aheaders\x18\x04 \x03(\v2\x1b.grpc.lookup.v1.NameMatcherR\aheaders\x12U\n" +
+	"\rconstant_keys\x18\x05 \x03(\v20.grpc.lookup.v1.HttpKeyBuilder.ConstantKeysEntryR\fconstantKeys\x12\x16\n" +
+	"\x06method\x18\x06 \x01(\tR\x06method\x1a?\n" +
+	"\x11ConstantKeysEntry\x12\x10\n" +
+	"\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n" +
+	"\x05value\x18\x02 \x01(\tR\x05value:\x028\x01\"\xa6\x04\n" +
+	"\x11RouteLookupConfig\x12I\n" +
+	"\x10http_keybuilders\x18\x01 \x03(\v2\x1e.grpc.lookup.v1.HttpKeyBuilderR\x0fhttpKeybuilders\x12I\n" +
+	"\x10grpc_keybuilders\x18\x02 \x03(\v2\x1e.grpc.lookup.v1.GrpcKeyBuilderR\x0fgrpcKeybuilders\x12%\n" +
+	"\x0elookup_service\x18\x03 \x01(\tR\rlookupService\x12O\n" +
+	"\x16lookup_service_timeout\x18\x04 \x01(\v2\x19.google.protobuf.DurationR\x14lookupServiceTimeout\x122\n" +
+	"\amax_age\x18\x05 \x01(\v2\x19.google.protobuf.DurationR\x06maxAge\x126\n" +
+	"\tstale_age\x18\x06 \x01(\v2\x19.google.protobuf.DurationR\bstaleAge\x12(\n" +
+	"\x10cache_size_bytes\x18\a \x01(\x03R\x0ecacheSizeBytes\x12#\n" +
+	"\rvalid_targets\x18\b \x03(\tR\fvalidTargets\x12%\n" +
+	"\x0edefault_target\x18\t \x01(\tR\rdefaultTargetJ\x04\b\n" +
+	"\x10\vR\x1brequest_processing_strategy\"p\n" +
+	"\x1bRouteLookupClusterSpecifier\x12Q\n" +
+	"\x13route_lookup_config\x18\x01 \x01(\v2!.grpc.lookup.v1.RouteLookupConfigR\x11routeLookupConfigBS\n" +
+	"\x11io.grpc.lookup.v1B\x0eRlsConfigProtoP\x01Z,google.golang.org/grpc/lookup/grpc_lookup_v1b\x06proto3"
+
+var (
+	file_grpc_lookup_v1_rls_config_proto_rawDescOnce sync.Once
+	file_grpc_lookup_v1_rls_config_proto_rawDescData []byte
+)
+
+func file_grpc_lookup_v1_rls_config_proto_rawDescGZIP() []byte {
+	file_grpc_lookup_v1_rls_config_proto_rawDescOnce.Do(func() {
+		file_grpc_lookup_v1_rls_config_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_grpc_lookup_v1_rls_config_proto_rawDesc), len(file_grpc_lookup_v1_rls_config_proto_rawDesc)))
+	})
+	return file_grpc_lookup_v1_rls_config_proto_rawDescData
+}
+
+var file_grpc_lookup_v1_rls_config_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
+var file_grpc_lookup_v1_rls_config_proto_goTypes = []any{
+	(*NameMatcher)(nil),                 // 0: grpc.lookup.v1.NameMatcher
+	(*GrpcKeyBuilder)(nil),              // 1: grpc.lookup.v1.GrpcKeyBuilder
+	(*HttpKeyBuilder)(nil),              // 2: grpc.lookup.v1.HttpKeyBuilder
+	(*RouteLookupConfig)(nil),           // 3: grpc.lookup.v1.RouteLookupConfig
+	(*RouteLookupClusterSpecifier)(nil), // 4: grpc.lookup.v1.RouteLookupClusterSpecifier
+	(*GrpcKeyBuilder_Name)(nil),         // 5: grpc.lookup.v1.GrpcKeyBuilder.Name
+	(*GrpcKeyBuilder_ExtraKeys)(nil),    // 6: grpc.lookup.v1.GrpcKeyBuilder.ExtraKeys
+	nil,                                 // 7: grpc.lookup.v1.GrpcKeyBuilder.ConstantKeysEntry
+	nil,                                 // 8: grpc.lookup.v1.HttpKeyBuilder.ConstantKeysEntry
+	(*durationpb.Duration)(nil),         // 9: google.protobuf.Duration
+}
+var file_grpc_lookup_v1_rls_config_proto_depIdxs = []int32{
+	5,  // 0: grpc.lookup.v1.GrpcKeyBuilder.names:type_name -> grpc.lookup.v1.GrpcKeyBuilder.Name
+	6,  // 1: grpc.lookup.v1.GrpcKeyBuilder.extra_keys:type_name -> grpc.lookup.v1.GrpcKeyBuilder.ExtraKeys
+	0,  // 2: grpc.lookup.v1.GrpcKeyBuilder.headers:type_name -> grpc.lookup.v1.NameMatcher
+	7,  // 3: grpc.lookup.v1.GrpcKeyBuilder.constant_keys:type_name -> grpc.lookup.v1.GrpcKeyBuilder.ConstantKeysEntry
+	0,  // 4: grpc.lookup.v1.HttpKeyBuilder.query_parameters:type_name -> grpc.lookup.v1.NameMatcher
+	0,  // 5: grpc.lookup.v1.HttpKeyBuilder.headers:type_name -> grpc.lookup.v1.NameMatcher
+	8,  // 6: grpc.lookup.v1.HttpKeyBuilder.constant_keys:type_name -> grpc.lookup.v1.HttpKeyBuilder.ConstantKeysEntry
+	2,  // 7: grpc.lookup.v1.RouteLookupConfig.http_keybuilders:type_name -> grpc.lookup.v1.HttpKeyBuilder
+	1,  // 8: grpc.lookup.v1.RouteLookupConfig.grpc_keybuilders:type_name -> grpc.lookup.v1.GrpcKeyBuilder
+	9,  // 9: grpc.lookup.v1.RouteLookupConfig.lookup_service_timeout:type_name -> google.protobuf.Duration
+	9,  // 10: grpc.lookup.v1.RouteLookupConfig.max_age:type_name -> google.protobuf.Duration
+	9,  // 11: grpc.lookup.v1.RouteLookupConfig.stale_age:type_name -> google.protobuf.Duration
+	3,  // 12: grpc.lookup.v1.RouteLookupClusterSpecifier.route_lookup_config:type_name -> grpc.lookup.v1.RouteLookupConfig
+	13, // [13:13] is the sub-list for method output_type
+	13, // [13:13] is the sub-list for method input_type
+	13, // [13:13] is the sub-list for extension type_name
+	13, // [13:13] is the sub-list for extension extendee
+	0,  // [0:13] is the sub-list for field type_name
+}
+
+func init() { file_grpc_lookup_v1_rls_config_proto_init() }
+func file_grpc_lookup_v1_rls_config_proto_init() {
+	if File_grpc_lookup_v1_rls_config_proto != nil {
+		return
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_grpc_lookup_v1_rls_config_proto_rawDesc), len(file_grpc_lookup_v1_rls_config_proto_rawDesc)),
+			NumEnums:      0,
+			NumMessages:   9,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_grpc_lookup_v1_rls_config_proto_goTypes,
+		DependencyIndexes: file_grpc_lookup_v1_rls_config_proto_depIdxs,
+		MessageInfos:      file_grpc_lookup_v1_rls_config_proto_msgTypes,
+	}.Build()
+	File_grpc_lookup_v1_rls_config_proto = out.File
+	file_grpc_lookup_v1_rls_config_proto_goTypes = nil
+	file_grpc_lookup_v1_rls_config_proto_depIdxs = nil
+}

internal/proto/grpc_lookup_v1/rls_grpc.pb.go

@@ -0,0 +1,137 @@
+// Copyright 2020 The gRPC Authors
+//
+// 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-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.6.2
+// - protoc             v5.27.1
+// source: grpc/lookup/v1/rls.proto
+
+package grpc_lookup_v1
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.64.0 or later.
+const _ = grpc.SupportPackageIsVersion9
+
+const (
+	RouteLookupService_RouteLookup_FullMethodName = "/grpc.lookup.v1.RouteLookupService/RouteLookup"
+)
+
+// RouteLookupServiceClient is the client API for RouteLookupService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type RouteLookupServiceClient interface {
+	// Lookup returns a target for a single key.
+	RouteLookup(ctx context.Context, in *RouteLookupRequest, opts ...grpc.CallOption) (*RouteLookupResponse, error)
+}
+
+type routeLookupServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewRouteLookupServiceClient(cc grpc.ClientConnInterface) RouteLookupServiceClient {
+	return &routeLookupServiceClient{cc}
+}
+
+func (c *routeLookupServiceClient) RouteLookup(ctx context.Context, in *RouteLookupRequest, opts ...grpc.CallOption) (*RouteLookupResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(RouteLookupResponse)
+	err := c.cc.Invoke(ctx, RouteLookupService_RouteLookup_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// RouteLookupServiceServer is the server API for RouteLookupService service.
+// All implementations must embed UnimplementedRouteLookupServiceServer
+// for forward compatibility.
+type RouteLookupServiceServer interface {
+	// Lookup returns a target for a single key.
+	RouteLookup(context.Context, *RouteLookupRequest) (*RouteLookupResponse, error)
+	mustEmbedUnimplementedRouteLookupServiceServer()
+}
+
+// UnimplementedRouteLookupServiceServer must be embedded to have
+// forward compatible implementations.
+//
+// NOTE: this should be embedded by value instead of pointer to avoid a nil
+// pointer dereference when methods are called.
+type UnimplementedRouteLookupServiceServer struct{}
+
+func (UnimplementedRouteLookupServiceServer) RouteLookup(context.Context, *RouteLookupRequest) (*RouteLookupResponse, error) {
+	return nil, status.Error(codes.Unimplemented, "method RouteLookup not implemented")
+}
+func (UnimplementedRouteLookupServiceServer) mustEmbedUnimplementedRouteLookupServiceServer() {}
+func (UnimplementedRouteLookupServiceServer) testEmbeddedByValue()                            {}
+
+// UnsafeRouteLookupServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to RouteLookupServiceServer will
+// result in compilation errors.
+type UnsafeRouteLookupServiceServer interface {
+	mustEmbedUnimplementedRouteLookupServiceServer()
+}
+
+func RegisterRouteLookupServiceServer(s grpc.ServiceRegistrar, srv RouteLookupServiceServer) {
+	// If the following call panics, it indicates UnimplementedRouteLookupServiceServer was
+	// embedded by pointer and is nil.  This will cause panics if an
+	// unimplemented method is ever invoked, so we test this at initialization
+	// time to prevent it from happening at runtime later due to I/O.
+	if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
+		t.testEmbeddedByValue()
+	}
+	s.RegisterService(&RouteLookupService_ServiceDesc, srv)
+}
+
+func _RouteLookupService_RouteLookup_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(RouteLookupRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(RouteLookupServiceServer).RouteLookup(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: RouteLookupService_RouteLookup_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(RouteLookupServiceServer).RouteLookup(ctx, req.(*RouteLookupRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// RouteLookupService_ServiceDesc is the grpc.ServiceDesc for RouteLookupService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var RouteLookupService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "grpc.lookup.v1.RouteLookupService",
+	HandlerType: (*RouteLookupServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "RouteLookup",
+			Handler:    _RouteLookupService_RouteLookup_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "grpc/lookup/v1/rls.proto",
+}