vendor/github.com/golang/protobuf/protoc-gen-go/testdata/imp.proto

// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors.  All rights reserved.
// https://github.com/golang/protobuf
//
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// modification, are permitted provided that the following conditions are
// met:
//
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// notice, this list of conditions and the following disclaimer.
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// in the documentation and/or other materials provided with the
// distribution.
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//
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syntax = "proto2";

package imp;

import "imp2.proto";
import "imp3.proto";

message ImportedMessage {
  required int64 field = 1;

  // The forwarded getters for these fields are fiddly to get right.
  optional ImportedMessage2 local_msg = 2;
  optional ForeignImportedMessage foreign_msg = 3;  // in imp3.proto
  optional Owner enum_field = 4;
  oneof union {
    int32 state = 9;
  }

  repeated string name = 5;
  repeated Owner boss = 6;
  repeated ImportedMessage2 memo = 7;

  map<string, ImportedMessage2> msg_map = 8;

  enum Owner {
    DAVE = 1;
    MIKE = 2;
  }

  extensions 90 to 100;
}

message ImportedMessage2 {
}

message ImportedExtendable {
  option message_set_wire_format = true;
  extensions 100 to max;
}