val header: String? = response.header("")
    val headers: Headers = response.headers
    val trailers: Headers = response.trailers()
    val peekBody: ResponseBody = response.peekBody(0L)
    val body: ResponseBody = response.body
    val builder: Response.Builder = response.newBuilder()
    val redirect: Boolean = response.isRedirect

   *
   * **Warning:** this method loads the requested bytes into memory. Most applications should set
   * a modest limit on `byteCount`, such as 1 MiB.
   */
  @Throws(IOException::class)
  fun peekBody(byteCount: Long): ResponseBody {
    val peeked = body.source().peek()
    val buffer = Buffer()
    peeked.request(byteCount)
    buffer.write(peeked, minOf(byteCount, peeked.buffer.size))