Field credentialsField = CorsHandler.class.getDeclaredField("ACCESS_CONTROL_ALLOW_CREDENTIALS");
        assertTrue("ACCESS_CONTROL_ALLOW_CREDENTIALS should be final", Modifier.isFinal(credentialsField.getModifiers()));

        Field maxAgeField = CorsHandler.class.getDeclaredField("ACCESS_CONTROL_MAX_AGE");

      "Access-Control-Allow-Private-Network";

  /** The HTTP {@code Access-Control-Allow-Credentials} header field name. */
  public static final String ACCESS_CONTROL_ALLOW_CREDENTIALS = "Access-Control-Allow-Credentials";

  /** The HTTP {@code Access-Control-Expose-Headers} header field name. */
  public static final String ACCESS_CONTROL_EXPOSE_HEADERS = "Access-Control-Expose-Headers";