@ArgumentsSource(TestDataParamProvider::class)
  @ParameterizedTest
  fun httpUrl(testData: WebPlatformUrlTestData) {
    if (!testData.scheme.isEmpty() && !HTTP_URL_SCHEMES.contains(testData.scheme)) {
      System.err.println("Ignoring unsupported scheme ${testData.scheme}")
      return
    }

    if (!testData.base!!.startsWith("https:") &&
      !testData.base!!.startsWith("http:") &&

    authParams["charset"] = charset.name()
    return Challenge(scheme, authParams)
  }

  @JvmName("-deprecated_scheme")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "scheme"),
    level = DeprecationLevel.ERROR,
  )
  fun scheme(): String = scheme

  @JvmName("-deprecated_authParams")
  @Deprecated(
    message = "moved to val",

            proxyAddress.port,
            url.scheme,
            challenge.realm,
            challenge.scheme,
            url.toUrl(),
            Authenticator.RequestorType.PROXY,
          )
        } else {
          Authenticator.requestPasswordAuthentication(
            url.host,
            proxy.connectToInetAddress(url, dns),
            url.port,
            url.scheme,
            challenge.realm,

    return response.request
      .newBuilder()
      .addHeader(header, credential)
      .build()
  }

  private fun schemeMatches(response: Response): Boolean {
    if (scheme == null) return true
    return response.challenges().any { it.scheme.equals(scheme, ignoreCase = true) }
  }

     */
    @Override
    public AuthScheme getAuthScheme() {
        return authScheme;
    }

    /**
     * Sets the authentication scheme.
     * @param authScheme The authentication scheme to set.
     */
    public void setAuthScheme(final AuthScheme authScheme) {
        this.authScheme = authScheme;
    }

  logo: assets/images/icon-square.png
  palette:
    - media: "(prefers-color-scheme: light)"
      scheme: default
      primary: teal
      accent: blue
      toggle:
        icon: octicons/sun-24
        name: "Switch to Dark Mode"
    - media: "(prefers-color-scheme: dark)"
      scheme: slate
      primary: teal
      accent: blue
      toggle:
        icon: octicons/moon-24

     */
    Credentials getCredentials();

    /**
     * Retrieves the authentication scheme to be used for HTTP requests.
     *
     * @return the authentication scheme
     */
    /**
     * Retrieves the authentication scheme to be used for HTTP requests.
     *
     * @return the authentication scheme
     */
    AuthScheme getAuthScheme();

    }

    private AuthScheme getAuthScheme() {
        final String scheme = getProtocolScheme();
        if (Constants.BASIC.equals(scheme)) {
            return new BasicScheme();
        }
        if (Constants.DIGEST.equals(scheme)) {
            return new DigestScheme();
        }
        if (Constants.NTLM.equals(scheme)) {
            final Properties props = new Properties();

  var base: String? = null
  var scheme = ""
  var username = ""
  var password: String? = null
  var host = ""
  var port = ""
  var path = ""
  var query = ""
  var fragment = ""

  fun expectParseFailure() = scheme.isEmpty()

  private operator fun set(
    name: String,
    value: String,
  ) {
    when (name) {
      "s" -> scheme = value
      "u" -> username = value

    while (true) {
      if (peek == null) {
        peek = readToken()
        if (skipCommasAndWhitespace()) break // We peeked a scheme name followed by ','.
        eqCount = skipAll('='.code.toByte())
      }
      if (eqCount == 0) break // We peeked a scheme name.
      if (eqCount > 1) return // Unexpected '=' characters.
      if (skipCommasAndWhitespace()) return // Unexpected ','.