| // Go support for Protocol Buffers - Google's data interchange format | 
 | // | 
 | // Copyright 2010 The Go Authors.  All rights reserved. | 
 | // https://github.com/golang/protobuf | 
 | // | 
 | // Redistribution and use in source and binary forms, with or without | 
 | // modification, are permitted provided that the following conditions are | 
 | // met: | 
 | // | 
 | //     * Redistributions of source code must retain the above copyright | 
 | // notice, this list of conditions and the following disclaimer. | 
 | //     * Redistributions in binary form must reproduce the above | 
 | // copyright notice, this list of conditions and the following disclaimer | 
 | // in the documentation and/or other materials provided with the | 
 | // distribution. | 
 | //     * Neither the name of Google Inc. nor the names of its | 
 | // contributors may be used to endorse or promote products derived from | 
 | // this software without specific prior written permission. | 
 | // | 
 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 
 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 
 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 
 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 
 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 
 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 
 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
 |  | 
 | 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; | 
 | } |