void ResponseEncoderImpl::encode1xxHeaders(const ResponseHeaderMap& headers) {
  ASSERT(HeaderUtility::isSpecial1xx(headers));
  encodeHeaders(headers, false);
}
void ResponseEncoderImpl::encode1xxHeaders(const ResponseHeaderMap& headers) {
  ASSERT(HeaderUtility::isSpecial1xx(headers));
  encodeHeaders(headers, false);
}