BaseEncoding ignoreCase = base16().ignoreCase();
    assertThat(ignoreCase).isNotSameInstanceAs(base16());
    assertThat(ignoreCase).isSameInstanceAs(base16().ignoreCase());
    testEncodingWithCasing(ignoreCase, "foobar", "666F6F626172");
    testDecodes(ignoreCase, "666F6F626172", "foobar");
    testDecodes(ignoreCase, "666f6f626172", "foobar");
    testDecodes(ignoreCase, "666F6f626172", "foobar");
  }

    BaseEncoding ignoreCase = base16().ignoreCase();
    assertThat(ignoreCase).isNotSameInstanceAs(base16());
    assertThat(ignoreCase).isSameInstanceAs(base16().ignoreCase());
    testEncodingWithCasing(ignoreCase, "foobar", "666F6F626172");
    testDecodes(ignoreCase, "666F6F626172", "foobar");
    testDecodes(ignoreCase, "666f6f626172", "foobar");
    testDecodes(ignoreCase, "666F6f626172", "foobar");
  }

                  }
                },
              ).build()
          }
        }
      if ("close".equals(response.request.header("Connection"), ignoreCase = true) ||
        "close".equals(response.header("Connection"), ignoreCase = true)
      ) {
        exchange.noNewExchangesOnConnection()
      }
      if ((code == 204 || code == 205) && response.body.contentLength() > 0L) {

    private fun bodyHasUnknownEncoding(headers: Headers): Boolean {
      val contentEncoding = headers["Content-Encoding"] ?: return false
      return !contentEncoding.equals("identity", ignoreCase = true) &&
        !contentEncoding.equals("gzip", ignoreCase = true)
    }

    private fun bodyIsStreaming(response: Response): Boolean {
      val contentType = response.body.contentType()

      .build()
  }

  internal fun lookupDecompressor(encoding: String): DecompressionAlgorithm? =
    algorithms.find {
      it.encoding.equals(encoding, ignoreCase = true)
    }

  /**
   * A decompression algorithm such as Gzip. Must provide the Accept-Encoding value and decompress a Source.
   */
  interface DecompressionAlgorithm {
    val encoding: String

    // Silently replace web socket URLs with HTTP URLs.
    private fun canonicalUrl(url: String) =
      when {
        url.startsWith("ws:", ignoreCase = true) -> "http:${url.substring(3)}"
        url.startsWith("wss:", ignoreCase = true) -> "https:${url.substring(4)}"
        else -> url
      }

    /**
     * Sets the URL target of this request.
     *

  private val headersReader = HeadersReader(socket.source)

  private val Response.isChunked: Boolean
    get() = "chunked".equals(header("Transfer-Encoding"), ignoreCase = true)

  private val Request.isChunked: Boolean
    get() = "chunked".equals(header("Transfer-Encoding"), ignoreCase = true)

  /**
   * Trailers received when the response body became exhausted.
   *

        }

        var reuseSocket = true
        val requestWantsSocket = "Upgrade".equals(request.headers["Connection"], ignoreCase = true)
        val requestWantsWebSocket =
          requestWantsSocket &&
            "websocket".equals(request.headers["Upgrade"], ignoreCase = true)
        val responseWantsSocket = response.socketHandler != null
        val responseWantsWebSocket = response.webSocketListener != null

    if (!"Upgrade".equals(headerConnection, ignoreCase = true)) {
      throw ProtocolException(
        "Expected 'Connection' header value 'Upgrade' but was '$headerConnection'",
      )
    }

    val headerUpgrade = response.header("Upgrade")
    if (!"websocket".equals(headerUpgrade, ignoreCase = true)) {
      throw ProtocolException(

          nextRequest = route.address.proxyAuthenticator.authenticate(route, response)
            ?: throw IOException("Failed to authenticate with proxy")

          if ("close".equals(response.header("Connection"), ignoreCase = true)) {
            return nextRequest
          }
        }

        else -> throw IOException("Unexpected response code for CONNECT: ${response.code}")
      }
    }
  }

  /**