responses += response
    routes += route
    if (!schemeMatches(response) || credential == null) return null
    val header =
      when (response.code) {
        407 -> "Proxy-Authorization"
        else -> "Authorization"
      }
    return response.request.newBuilder()
      .addHeader(header, credential)
      .build()
  }

  private fun schemeMatches(response: Response): Boolean {
    if (scheme == null) return true

                convertToUrl(notationString, result);
                return;
            }
            Matcher schemeMatcher = URI_SCHEME.matcher(notationString);
            if (schemeMatcher.matches()) {
                String scheme = schemeMatcher.group(1);
                if (isWindowsRootDirectory(scheme)) {
                    result.converted(new File(notationString));
                    return;