src/google/protobuf/empty.proto

// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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syntax = "proto3";

package google.protobuf;

option csharp_namespace = "Google.Protobuf.WellKnownTypes";
option java_package = "com.google.protobuf";
option java_outer_classname = "EmptyProto";
option java_multiple_files = true;
option java_generate_equals_and_hash = true;
option objc_class_prefix = "GPB";
option cc_enable_arenas = true;

// A generic empty message that you can re-use to avoid defining duplicated
// empty messages in your APIs. A typical example is to use it as the request
// or the response type of an API method. For instance:
//
//     service Foo {
//       rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty);
//     }
//
// The JSON representation for `Empty` is empty JSON object `{}`.
message Empty {}