deps: update buildkit, vendor changes

Signed-off-by: Laura Brehm <laurabrehm@hey.com>

vendor/go.opentelemetry.io/proto/otlp/collector/metrics/v1/metrics_service.pb.go

@@ -0,0 +1,371 @@
+// Copyright 2019, OpenTelemetry 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 v1.26.0
+// 	protoc        v3.21.6
+// source: opentelemetry/proto/collector/metrics/v1/metrics_service.proto
+
+package v1
+
+import (
+	v1 "go.opentelemetry.io/proto/otlp/metrics/v1"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+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)
+)
+
+type ExportMetricsServiceRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// An array of ResourceMetrics.
+	// For data coming from a single resource this array will typically contain one
+	// element. Intermediary nodes (such as OpenTelemetry Collector) that receive
+	// data from multiple origins typically batch the data before forwarding further and
+	// in that case this array will contain multiple elements.
+	ResourceMetrics []*v1.ResourceMetrics `protobuf:"bytes,1,rep,name=resource_metrics,json=resourceMetrics,proto3" json:"resource_metrics,omitempty"`
+}
+
+func (x *ExportMetricsServiceRequest) Reset() {
+	*x = ExportMetricsServiceRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ExportMetricsServiceRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ExportMetricsServiceRequest) ProtoMessage() {}
+
+func (x *ExportMetricsServiceRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ExportMetricsServiceRequest.ProtoReflect.Descriptor instead.
+func (*ExportMetricsServiceRequest) Descriptor() ([]byte, []int) {
+	return file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *ExportMetricsServiceRequest) GetResourceMetrics() []*v1.ResourceMetrics {
+	if x != nil {
+		return x.ResourceMetrics
+	}
+	return nil
+}
+
+type ExportMetricsServiceResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The details of a partially successful export request.
+	//
+	// If the request is only partially accepted
+	// (i.e. when the server accepts only parts of the data and rejects the rest)
+	// the server MUST initialize the `partial_success` field and MUST
+	// set the `rejected_<signal>` with the number of items it rejected.
+	//
+	// Servers MAY also make use of the `partial_success` field to convey
+	// warnings/suggestions to senders even when the request was fully accepted.
+	// In such cases, the `rejected_<signal>` MUST have a value of `0` and
+	// the `error_message` MUST be non-empty.
+	//
+	// A `partial_success` message with an empty value (rejected_<signal> = 0 and
+	// `error_message` = "") is equivalent to it not being set/present. Senders
+	// SHOULD interpret it the same way as in the full success case.
+	PartialSuccess *ExportMetricsPartialSuccess `protobuf:"bytes,1,opt,name=partial_success,json=partialSuccess,proto3" json:"partial_success,omitempty"`
+}
+
+func (x *ExportMetricsServiceResponse) Reset() {
+	*x = ExportMetricsServiceResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ExportMetricsServiceResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ExportMetricsServiceResponse) ProtoMessage() {}
+
+func (x *ExportMetricsServiceResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ExportMetricsServiceResponse.ProtoReflect.Descriptor instead.
+func (*ExportMetricsServiceResponse) Descriptor() ([]byte, []int) {
+	return file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *ExportMetricsServiceResponse) GetPartialSuccess() *ExportMetricsPartialSuccess {
+	if x != nil {
+		return x.PartialSuccess
+	}
+	return nil
+}
+
+type ExportMetricsPartialSuccess struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The number of rejected data points.
+	//
+	// A `rejected_<signal>` field holding a `0` value indicates that the
+	// request was fully accepted.
+	RejectedDataPoints int64 `protobuf:"varint,1,opt,name=rejected_data_points,json=rejectedDataPoints,proto3" json:"rejected_data_points,omitempty"`
+	// A developer-facing human-readable message in English. It should be used
+	// either to explain why the server rejected parts of the data during a partial
+	// success or to convey warnings/suggestions during a full success. The message
+	// should offer guidance on how users can address such issues.
+	//
+	// error_message is an optional field. An error_message with an empty value
+	// is equivalent to it not being set.
+	ErrorMessage string `protobuf:"bytes,2,opt,name=error_message,json=errorMessage,proto3" json:"error_message,omitempty"`
+}
+
+func (x *ExportMetricsPartialSuccess) Reset() {
+	*x = ExportMetricsPartialSuccess{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ExportMetricsPartialSuccess) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ExportMetricsPartialSuccess) ProtoMessage() {}
+
+func (x *ExportMetricsPartialSuccess) ProtoReflect() protoreflect.Message {
+	mi := &file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ExportMetricsPartialSuccess.ProtoReflect.Descriptor instead.
+func (*ExportMetricsPartialSuccess) Descriptor() ([]byte, []int) {
+	return file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *ExportMetricsPartialSuccess) GetRejectedDataPoints() int64 {
+	if x != nil {
+		return x.RejectedDataPoints
+	}
+	return 0
+}
+
+func (x *ExportMetricsPartialSuccess) GetErrorMessage() string {
+	if x != nil {
+		return x.ErrorMessage
+	}
+	return ""
+}
+
+var File_opentelemetry_proto_collector_metrics_v1_metrics_service_proto protoreflect.FileDescriptor
+
+var file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_rawDesc = []byte{
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+}
+
+var (
+	file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_rawDescOnce sync.Once
+	file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_rawDescData = file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_rawDesc
+)
+
+func file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_rawDescGZIP() []byte {
+	file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_rawDescOnce.Do(func() {
+		file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_rawDescData = protoimpl.X.CompressGZIP(file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_rawDescData)
+	})
+	return file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_rawDescData
+}
+
+var file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
+var file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_goTypes = []interface{}{
+	(*ExportMetricsServiceRequest)(nil),  // 0: opentelemetry.proto.collector.metrics.v1.ExportMetricsServiceRequest
+	(*ExportMetricsServiceResponse)(nil), // 1: opentelemetry.proto.collector.metrics.v1.ExportMetricsServiceResponse
+	(*ExportMetricsPartialSuccess)(nil),  // 2: opentelemetry.proto.collector.metrics.v1.ExportMetricsPartialSuccess
+	(*v1.ResourceMetrics)(nil),           // 3: opentelemetry.proto.metrics.v1.ResourceMetrics
+}
+var file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_depIdxs = []int32{
+	3, // 0: opentelemetry.proto.collector.metrics.v1.ExportMetricsServiceRequest.resource_metrics:type_name -> opentelemetry.proto.metrics.v1.ResourceMetrics
+	2, // 1: opentelemetry.proto.collector.metrics.v1.ExportMetricsServiceResponse.partial_success:type_name -> opentelemetry.proto.collector.metrics.v1.ExportMetricsPartialSuccess
+	0, // 2: opentelemetry.proto.collector.metrics.v1.MetricsService.Export:input_type -> opentelemetry.proto.collector.metrics.v1.ExportMetricsServiceRequest
+	1, // 3: opentelemetry.proto.collector.metrics.v1.MetricsService.Export:output_type -> opentelemetry.proto.collector.metrics.v1.ExportMetricsServiceResponse
+	3, // [3:4] is the sub-list for method output_type
+	2, // [2:3] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for extension extendee
+	0, // [0:2] is the sub-list for field type_name
+}
+
+func init() { file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_init() }
+func file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_init() {
+	if File_opentelemetry_proto_collector_metrics_v1_metrics_service_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ExportMetricsServiceRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ExportMetricsServiceResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ExportMetricsPartialSuccess); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   3,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_goTypes,
+		DependencyIndexes: file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_depIdxs,
+		MessageInfos:      file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_msgTypes,
+	}.Build()
+	File_opentelemetry_proto_collector_metrics_v1_metrics_service_proto = out.File
+	file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_rawDesc = nil
+	file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_goTypes = nil
+	file_opentelemetry_proto_collector_metrics_v1_metrics_service_proto_depIdxs = nil
+}

vendor/go.opentelemetry.io/proto/otlp/collector/metrics/v1/metrics_service.pb.gw.go

@@ -0,0 +1,171 @@
+// Code generated by protoc-gen-grpc-gateway. DO NOT EDIT.
+// source: opentelemetry/proto/collector/metrics/v1/metrics_service.proto
+
+/*
+Package v1 is a reverse proxy.
+
+It translates gRPC into RESTful JSON APIs.
+*/
+package v1
+
+import (
+	"context"
+	"io"
+	"net/http"
+
+	"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
+	"github.com/grpc-ecosystem/grpc-gateway/v2/utilities"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/proto"
+)
+
+// Suppress "imported and not used" errors
+var _ codes.Code
+var _ io.Reader
+var _ status.Status
+var _ = runtime.String
+var _ = utilities.NewDoubleArray
+var _ = metadata.Join
+
+func request_MetricsService_Export_0(ctx context.Context, marshaler runtime.Marshaler, client MetricsServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq ExportMetricsServiceRequest
+	var metadata runtime.ServerMetadata
+
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.Export(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_MetricsService_Export_0(ctx context.Context, marshaler runtime.Marshaler, server MetricsServiceServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq ExportMetricsServiceRequest
+	var metadata runtime.ServerMetadata
+
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.Export(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+// RegisterMetricsServiceHandlerServer registers the http handlers for service MetricsService to "mux".
+// UnaryRPC     :call MetricsServiceServer directly.
+// StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
+// Note that using this registration option will cause many gRPC library features to stop working. Consider using RegisterMetricsServiceHandlerFromEndpoint instead.
+func RegisterMetricsServiceHandlerServer(ctx context.Context, mux *runtime.ServeMux, server MetricsServiceServer) error {
+
+	mux.Handle("POST", pattern_MetricsService_Export_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/opentelemetry.proto.collector.metrics.v1.MetricsService/Export", runtime.WithHTTPPathPattern("/v1/metrics"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_MetricsService_Export_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_MetricsService_Export_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	return nil
+}
+
+// RegisterMetricsServiceHandlerFromEndpoint is same as RegisterMetricsServiceHandler but
+// automatically dials to "endpoint" and closes the connection when "ctx" gets done.
+func RegisterMetricsServiceHandlerFromEndpoint(ctx context.Context, mux *runtime.ServeMux, endpoint string, opts []grpc.DialOption) (err error) {
+	conn, err := grpc.Dial(endpoint, opts...)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		if err != nil {
+			if cerr := conn.Close(); cerr != nil {
+				grpclog.Infof("Failed to close conn to %s: %v", endpoint, cerr)
+			}
+			return
+		}
+		go func() {
+			<-ctx.Done()
+			if cerr := conn.Close(); cerr != nil {
+				grpclog.Infof("Failed to close conn to %s: %v", endpoint, cerr)
+			}
+		}()
+	}()
+
+	return RegisterMetricsServiceHandler(ctx, mux, conn)
+}
+
+// RegisterMetricsServiceHandler registers the http handlers for service MetricsService to "mux".
+// The handlers forward requests to the grpc endpoint over "conn".
+func RegisterMetricsServiceHandler(ctx context.Context, mux *runtime.ServeMux, conn *grpc.ClientConn) error {
+	return RegisterMetricsServiceHandlerClient(ctx, mux, NewMetricsServiceClient(conn))
+}
+
+// RegisterMetricsServiceHandlerClient registers the http handlers for service MetricsService
+// to "mux". The handlers forward requests to the grpc endpoint over the given implementation of "MetricsServiceClient".
+// Note: the gRPC framework executes interceptors within the gRPC handler. If the passed in "MetricsServiceClient"
+// doesn't go through the normal gRPC flow (creating a gRPC client etc.) then it will be up to the passed in
+// "MetricsServiceClient" to call the correct interceptors.
+func RegisterMetricsServiceHandlerClient(ctx context.Context, mux *runtime.ServeMux, client MetricsServiceClient) error {
+
+	mux.Handle("POST", pattern_MetricsService_Export_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/opentelemetry.proto.collector.metrics.v1.MetricsService/Export", runtime.WithHTTPPathPattern("/v1/metrics"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_MetricsService_Export_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_MetricsService_Export_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	return nil
+}
+
+var (
+	pattern_MetricsService_Export_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1}, []string{"v1", "metrics"}, ""))
+)
+
+var (
+	forward_MetricsService_Export_0 = runtime.ForwardResponseMessage
+)

vendor/go.opentelemetry.io/proto/otlp/collector/metrics/v1/metrics_service_grpc.pb.go

@@ -0,0 +1,109 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.1.0
+// - protoc             v3.21.6
+// source: opentelemetry/proto/collector/metrics/v1/metrics_service.proto
+
+package 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 v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// MetricsServiceClient is the client API for MetricsService 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 MetricsServiceClient interface {
+	// For performance reasons, it is recommended to keep this RPC
+	// alive for the entire life of the application.
+	Export(ctx context.Context, in *ExportMetricsServiceRequest, opts ...grpc.CallOption) (*ExportMetricsServiceResponse, error)
+}
+
+type metricsServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewMetricsServiceClient(cc grpc.ClientConnInterface) MetricsServiceClient {
+	return &metricsServiceClient{cc}
+}
+
+func (c *metricsServiceClient) Export(ctx context.Context, in *ExportMetricsServiceRequest, opts ...grpc.CallOption) (*ExportMetricsServiceResponse, error) {
+	out := new(ExportMetricsServiceResponse)
+	err := c.cc.Invoke(ctx, "/opentelemetry.proto.collector.metrics.v1.MetricsService/Export", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// MetricsServiceServer is the server API for MetricsService service.
+// All implementations must embed UnimplementedMetricsServiceServer
+// for forward compatibility
+type MetricsServiceServer interface {
+	// For performance reasons, it is recommended to keep this RPC
+	// alive for the entire life of the application.
+	Export(context.Context, *ExportMetricsServiceRequest) (*ExportMetricsServiceResponse, error)
+	mustEmbedUnimplementedMetricsServiceServer()
+}
+
+// UnimplementedMetricsServiceServer must be embedded to have forward compatible implementations.
+type UnimplementedMetricsServiceServer struct {
+}
+
+func (UnimplementedMetricsServiceServer) Export(context.Context, *ExportMetricsServiceRequest) (*ExportMetricsServiceResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Export not implemented")
+}
+func (UnimplementedMetricsServiceServer) mustEmbedUnimplementedMetricsServiceServer() {}
+
+// UnsafeMetricsServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to MetricsServiceServer will
+// result in compilation errors.
+type UnsafeMetricsServiceServer interface {
+	mustEmbedUnimplementedMetricsServiceServer()
+}
+
+func RegisterMetricsServiceServer(s grpc.ServiceRegistrar, srv MetricsServiceServer) {
+	s.RegisterService(&MetricsService_ServiceDesc, srv)
+}
+
+func _MetricsService_Export_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ExportMetricsServiceRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MetricsServiceServer).Export(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/opentelemetry.proto.collector.metrics.v1.MetricsService/Export",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MetricsServiceServer).Export(ctx, req.(*ExportMetricsServiceRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// MetricsService_ServiceDesc is the grpc.ServiceDesc for MetricsService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var MetricsService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "opentelemetry.proto.collector.metrics.v1.MetricsService",
+	HandlerType: (*MetricsServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Export",
+			Handler:    _MetricsService_Export_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "opentelemetry/proto/collector/metrics/v1/metrics_service.proto",
+}