syntax = "proto3"; enum EnumForOneof { Z = 0; A = 10; } message MessageForOneof { int32 f = 1; } message TestOneof { string s = 29; oneof one { double double_field = 1; float float_field = 2; int32 int32_field = 3; int64 int64_field = 4; uint32 uint32_field = 5; uint64 uint64_field = 6; sint32 sint32_field = 7; sint64 sint64_field = 8; fixed32 fixed32_field = 9; fixed64 fixed64_field = 10; sfixed32 sfixed32_field = 11; sfixed64 sfixed64_field = 12; bool bool_field = 13; string string_field = 14; bytes bytes_field = 15; EnumForOneof enum_field = 16; MessageForOneof message_field = 17; } }