syntax = "proto3"; message Message { string string_val = 1; repeated string string_repeated = 2; uint64 uint64_val = 3; repeated uint64 uint64_repeated = 4; bytes bytes_val = 5; repeated bytes bytes_repeated = 6; SomeEnum enum_val = 7; repeated SomeEnum enum_repeated = 8; enum SomeEnum { ONE = 1; TWO = 2; } map int64_map = 9; }