/** Serial version UID for serialization compatibility */
    private static final long serialVersionUID = 1L;

    /**
     * Constructs a new FessUserNotFoundException with the specified username.
     *
     * @param username the username that was not found
     */
    public FessUserNotFoundException(final String username) {
        super("User is not found: " + username);
    }

 * to reference a specific file using its file ID.
 *
 * @author mbechler
 */
public interface RequestWithFileId {

    /**
     * Sets the file ID for this request.
     *
     * @param fileId the file ID to set
     */
    void setFileId(byte[] fileId);

 * bean configuration against some base directory.
 *
 */
public interface BeanConfigurationPathTranslator {

    /**
     * Translates the specified path.
     *
     * @param path The path to translate, may be {@code null}.
     * @return The translated path or {@code null} if none.
     */
    File translatePath(File path);

  ElementOrder<N> incidentEdgeOrder = ElementOrder.unordered();

  Optional<Integer> expectedNodeCount = Optional.absent();

  /**
   * Creates a new instance with the specified edge directionality.
   *
   * @param directed if true, creates an instance for graphs whose edges are each directed; if
   *     false, creates an instance for graphs whose edges are each undirected.
   */
  AbstractGraphBuilder(boolean directed) {

     * The data store will be accessible by both the provided name and its class simple name,
     * both converted to lowercase for case-insensitive lookup.
     *
     * @param name the name to register the data store under, must not be null
     * @param dataStore the data store instance to register, must not be null
     * @throws IllegalArgumentException if either name or dataStore is null
     */

    private final Object group; // RdmaActiveEndpointGroup<DisniRdmaEndpoint>

    /**
     * Create new DiSNI RDMA connection
     *
     * @param remote remote socket address
     * @param local local socket address
     * @param group DiSNI endpoint group
     * @throws IOException if connection creation fails
     */

    // ------------------------------------------------------------------------
    /**
     * construct graph from a "dirty" tree
     *
     * @param tree "dirty" tree root
     * @param versionedVertices true if graph nodes should be versioned (different versions -> different nodes)
     * @param scopedVertices true if graph nodes should be versioned and scoped
     * (different versions and/or scopes -> different nodes)
     *
     */

          the Derivative Works; and

      (d) If the Work includes a "NOTICE" text file as part of its
          distribution, then any Derivative Works that You distribute must
          include a readable copy of the attribution notices contained
          within such NOTICE file, excluding those notices that do not
          pertain to any part of the Derivative Works, in at least one

    protected CommonPoolUtil() {
        // nothing
    }

    /**
     * Executes the given task in the common ForkJoinPool.
     *
     * @param task
     *            the task to execute
     */
    public static void execute(final Runnable task) {
        ForkJoinPool.commonPool().execute(() -> {
            final Thread currentThread = Thread.currentThread();

     */
    public NullResponseProcessor() {
        super();
    }

    /**
     * Processes the given response data.
     * This implementation does nothing.
     *
     * @param responseData the response data to process
     */
    @Override
    public void process(final ResponseData responseData) {
        // do nothing
    }