private String provides;

        private ExactMatcher(String provides) {
            this.provides = provides;
        }

        @Override
        public boolean matches(String requirement) {
            return provides.equalsIgnoreCase(requirement);
        }

        @Override
        public String toString() {
            return provides;
        }
    }

    <function-signature>java.lang.String html(boolean)</function-signature>
    <example>
      ${fe:html(true)}...${fe:html(false)}
    </example>
  </function>

  <function>
    <description>
      Returns a label name.
    </description>
    <name>labelexists</name>
    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>
    <function-signature>java.lang.Boolean labelExists(java.lang.String)</function-signature>

   * undirected edges connect a pair of nodes to each other.
   */
  boolean isDirected();

  /**
   * Returns true if this graph allows 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
   * IllegalArgumentException}.
   */
  boolean allowsSelfLoops();

  /** Returns the order of iteration for the elements of {@link #nodes()}. */

   *
   * <p><b>Java 21+ users:</b> use {@link Thread.Builder.OfPlatform#daemon(boolean)} instead.
   *
   * @param daemon whether or not new Threads created with this ThreadFactory will be daemon threads
   * @return this for the builder pattern
   */
  @CanIgnoreReturnValue
  public ThreadFactoryBuilder setDaemon(boolean daemon) {
    this.daemon = daemon;
    return this;
  }

  /**

    String s1 = "foo";
    String s2 = MoreObjects.firstNonNull(s1, "bar");
    assertSame(s1, s2);

    Long n1 = 42L;
    Long n2 = MoreObjects.firstNonNull(null, n1);
    assertSame(n1, n2);

    Boolean b1 = true;
    Boolean b2 = MoreObjects.firstNonNull(b1, null);
    assertSame(b1, b2);
  }

  public void testFirstNonNull_throwsNullPointerException() {

    String s1 = "foo";
    String s2 = MoreObjects.firstNonNull(s1, "bar");
    assertSame(s1, s2);

    Long n1 = 42L;
    Long n2 = MoreObjects.firstNonNull(null, n1);
    assertSame(n1, n2);

    Boolean b1 = true;
    Boolean b2 = MoreObjects.firstNonNull(b1, null);
    assertSame(b1, b2);
  }

  public void testFirstNonNull_throwsNullPointerException() {

     *
     * @return true if the item has been updated, false otherwise.
     */
    public boolean isUpdated() {
        return newInput != null;
    }

    /**
     * Checks if the item has been marked for deletion.
     *
     * @return true if the item is marked for deletion, false otherwise.
     */
    public boolean isDeleted() {
        return isUpdated() && newInput.length() == 0;
    }

    @Override

    return map().size();
  }

  @Override
  public boolean contains(@Nullable Object object) {
    if (object instanceof Entry) {
      Entry<?, ?> entry = (Entry<?, ?>) object;
      V value = map().get(entry.getKey());
      return value != null && value.equals(entry.getValue());
    }
    return false;
  }

  @Override
  boolean isPartialView() {
    return map().isPartialView();
  }

    private CycleDetectingReentrantLock(LockGraphNode lockGraphNode, boolean fair) {
      super(fair);
      this.lockGraphNode = Preconditions.checkNotNull(lockGraphNode);
    }

    ///// CycleDetectingLock methods. /////

    @Override
    public LockGraphNode getLockGraphNode() {
      return lockGraphNode;
    }

    @Override
    public boolean isAcquiredByCurrentThread() {
      return isHeldByCurrentThread();

    private int status;
    private int credit;
    private int nextCommand;
    private int readSize;
    private boolean async;
    private int treeId;
    private long mid, asyncId, sessionId;
    private byte errorContextCount;
    private byte[] errorData;

    private boolean retainPayload;
    private byte[] rawPayload;

    private ServerMessageBlock2 next;

    /**