3 import 'alltypes.proto';
6 optional int32 AllTypes_extensionfield1 = 255 [default = 5];
9 message ExtensionMessage {
11 optional ExtensionMessage AllTypes_extensionfield2 = 254;
12 // required ExtensionMessage AllTypes_extensionfield3 = 253; // No longer allowed by protobuf 3
13 repeated ExtensionMessage AllTypes_extensionfield4 = 252;
16 required string test1 = 1;
17 required int32 test2 = 2;