) {
      setBody(response, Buffer().writeUtf8(content), chunkSize)
    }
  }

  /** Returns a gzipped copy of `bytes`.  */
  fun gzip(data: String): Buffer {
    val result = Buffer()
    val sink = GzipSink(result).buffer()
    sink.writeUtf8(data)
    sink.close()
    return result
  }

  companion object {