protobuf/objectivec/Tests/unittest_objc_startup.proto

// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd

syntax = "proto2";

package objc.protobuf.tests.startup;
option objc_class_prefix = "TestObjCStartup";

message Message {
  extensions 1 to max;
}

extend Message {
  // Singular
  optional    int32 optional_int32_extension    = 1;
  repeated    int32 repeated_int32_extension    = 2;
}

message Nested {
  extend Message {
    optional string nested_string_extension = 3;
  }
}