DefaultValueAsString 1571 third_party/protobuf/src/google/protobuf/descriptor.cc     proto->set_default_value(DefaultValueAsString(false));
DefaultValueAsString 1884 third_party/protobuf/src/google/protobuf/descriptor.cc                                  DefaultValueAsString(true));
DefaultValueAsString  532 third_party/protobuf/src/google/protobuf/descriptor.h   string DefaultValueAsString(bool quote_string_type) const;