assertEquals("1guest", permissionHelper.encode("(allow){user}guest"));
        assertEquals("Rguest", permissionHelper.encode("(allow){role}guest"));
        assertEquals("2guest", permissionHelper.encode("(allow){group}guest"));
        assertEquals("1guest", permissionHelper.encode("(allow){USER}guest"));
        assertEquals("Rguest", permissionHelper.encode("(allow){ROLE}guest"));

        // Check all CORS headers are present
        assertNotNull("Allow-Origin header should be set", responseHeaders.get("Access-Control-Allow-Origin"));
        assertNotNull("Allow-Methods header should be set", responseHeaders.get("Access-Control-Allow-Methods"));
        assertNotNull("Allow-Headers header should be set", responseHeaders.get("Access-Control-Allow-Headers"));

    /**
     * CORS header for specifying allowed headers.
     */
    protected static final String ACCESS_CONTROL_ALLOW_HEADERS = "Access-Control-Allow-Headers";

    /**
     * CORS header for specifying allowed HTTP methods.
     */
    protected static final String ACCESS_CONTROL_ALLOW_METHODS = "Access-Control-Allow-Methods";

    /**

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

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

  /** The HTTP {@code Access-Control-Allow-Origin} header field name. */

 * user-defined properties.
 *
 * <p>A {@code Network} built by this class has the following default properties:
 *
 * <ul>
 *   <li>does not allow parallel edges
 *   <li>does not allow self-loops
 *   <li>orders {@link Network#nodes()} and {@link Network#edges()} in the order in which the
 *       elements were added (insertion order)
 * </ul>
 *

  /**
   * Returns true if this network allows parallel edges. Attempting to add a parallel edge to a
   * network that does not allow them will throw an {@link IllegalArgumentException}.
   */
  boolean allowsParallelEdges();

  /**
   * Returns true if this network allows self-loops (edges that connect a node to itself).
   * Attempting to add a self-loop to a network that does not allow them will throw an {@link

    ValueGraphBuilder<N1, V1> castBuilder = cast();
    return new ImmutableValueGraph.Builder<>(castBuilder);
  }

  /**
   * Specifies whether the graph will allow self-loops (edges that connect a node to itself).
   * Attempting to add a self-loop to a graph that does not allow them will throw an {@link
   * UnsupportedOperationException}.
   *
   * <p>The default value is {@code false}.
   */
  @CanIgnoreReturnValue

    protected String groupPrefix = "{group}";

    /** Prefix used to identify user-based permissions */
    protected String userPrefix = "{user}";

    /** Prefix used to identify allow permissions */
    protected String allowPrefix = "(allow)";

    /** Prefix used to identify deny permissions */
    protected String denyPrefix = "(deny)";

    /** System helper for user/group/role search operations */
    @Resource

        // 2001:0db8:85a3:0000:0000:8a2e:0370:7334
        // 2001:db8:85a3::8a2e:370:7334
        // ::1
        hostname = "[$hostname]"
      }

      val localPort = socket.localPort
      // Allow null in failure case to allow for testing bad requests
      this.requestUrl = "$scheme://$hostname:$localPort$path".toHttpUrlOrNull()
    } else {
      this.requestUrl = null
      this.method = null
      this.path = null
    }

     */
    public void setAnalyzer(final Analyzer analyzer) {
        this.analyzer = analyzer;
    }

    /**
     * Sets whether to allow leading wildcards in query terms.
     *
     * @param allowLeadingWildcard true to allow leading wildcards, false otherwise
     */
    public void setAllowLeadingWildcard(final boolean allowLeadingWildcard) {
        this.allowLeadingWildcard = allowLeadingWildcard;