header_or_short_response(serialized.header_or_short_response()),
header_or_short_response_bytes_sent(serialized.header_or_short_response_bytes_sent()),
stream_pos(serialized.stream_pos()),
header_or_short_response(serialized.header_or_short_response()),
header_or_short_response_bytes_sent(serialized.header_or_short_response_bytes_sent()),
stream_pos(serialized.stream_pos()),