1 syntax = "proto2"; 2 3 import 'alltypes.proto'; 4 5 extend AllTypes { 6 optional int32 AllTypes_extensionfield1 = 255 [default = 5]; 7 } 8 9 message ExtensionMessage { 10 extend AllTypes { 11 optional ExtensionMessage AllTypes_extensionfield2 = 254; 12 // required ExtensionMessage AllTypes_extensionfield3 = 253; // No longer allowed by protobuf 3 13 repeated ExtensionMessage AllTypes_extensionfield4 = 252; 14 } 15 16 required string test1 = 1; 17 required int32 test2 = 2; 18 } 19 20
