objectivec/Tests/unittest_mset.proto

// Protocol Buffers - Google's data interchange format
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// https://developers.google.com/protocol-buffers/
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syntax = "proto2";

package objc.protobuf.tests.mset;

option objc_class_prefix = "MSet";

// A message with message_set_wire_format.
message Message {
  option message_set_wire_format = true;
  extensions 4 to max;
}

message MessageExtension1 {
  extend Message {
    optional MessageExtension1 message_set_extension = 1545008;
  }
  optional int32 i = 15;
  optional Message recursive = 16;
  optional string test_aliasing = 17 [ctype = STRING_PIECE];
}

message MessageExtension2 {
  extend Message {
    optional MessageExtension2 message_set_extension = 1547769;
  }
  optional string str = 25;
}

// MessageSet wire format is equivalent to this.
message RawMessageSet {
  repeated group Item = 1 {
    required int32 type_id = 2;
    required bytes message = 3;
  }
}