1 2// Copyright 2015 gRPC authors. 3// 4// Licensed under the Apache License, Version 2.0 (the "License"); 5// you may not use this file except in compliance with the License. 6// You may obtain a copy of the License at 7// 8// http://www.apache.org/licenses/LICENSE-2.0 9// 10// Unless required by applicable law or agreed to in writing, software 11// distributed under the License is distributed on an "AS IS" BASIS, 12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13// See the License for the specific language governing permissions and 14// limitations under the License. 15 16syntax = "proto3"; 17 18package grpc.testing; 19 20// An empty message that you can re-use to avoid defining duplicated empty 21// messages in your project. A typical example is to use it as argument or the 22// return value of a service API. For instance: 23// 24// service Foo { 25// rpc Bar (grpc.testing.Empty) returns (grpc.testing.Empty) { }; 26// }; 27// 28message Empty {} 29