python/google/protobuf/internal/message_set_extensions.proto

// Protocol Buffers - Google's data interchange format
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// This file contains messages that extend MessageSet.

syntax = "proto2";
package google.protobuf.internal;


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

message TestMessageSetExtension1 {
  extend TestMessageSet {
    optional TestMessageSetExtension1 message_set_extension = 98418603;
  }
  optional int32 i = 15;
}

message TestMessageSetExtension2 {
  extend TestMessageSet {
    optional TestMessageSetExtension2 message_set_extension = 98418634;
  }
  optional string str = 25;
}

message TestMessageSetExtension3 {
  optional string text = 35;
}

extend TestMessageSet {
  optional TestMessageSetExtension3 message_set_extension3 = 98418655;
}

// This message was used to generate
// //net/proto2/python/internal/testdata/message_set_message, but is commented
// out since it must not actually exist in code, to simulate an "unknown"
// extension.
// message TestMessageSetUnknownExtension {
//   extend TestMessageSet {
//     optional TestMessageSetUnknownExtension message_set_extension = 56141421;
//   }
//   optional int64 a = 1;
// }