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 20option java_package = "io.grpc.testing.integration"; 21option java_outer_classname = "EmptyProtos"; 22 23// An empty message that you can re-use to avoid defining duplicated empty 24// messages in your project. A typical example is to use it as argument or the 25// return value of a service API. For instance: 26// 27// service Foo { 28// rpc Bar (grpc.testing.Empty) returns (grpc.testing.Empty) { }; 29// }; 30// 31message Empty {} 32