): String =
    buildString {
      append(request.method)
      append(' ')
      if (includeAuthorityInRequestLine(request, proxyType)) {
        append(request.url)
      } else {
        append(requestPath(request.url))
      }
      append(" HTTP/1.1")
    }

  /**
   * Returns true if the request line should contain the full URL with host and port (like "GET

      val headers = request.headers
      val result = ArrayList<Header>(headers.size + 4)
      result.add(Header(TARGET_METHOD, request.method))
      result.add(Header(TARGET_PATH, RequestLine.requestPath(request.url)))
      val host = request.header("Host")
      if (host != null) {
        result.add(Header(TARGET_AUTHORITY, host)) // Optional.
      }
      result.add(Header(TARGET_SCHEME, request.url.scheme))