log.debug("Switching tree");
            if ( t != null ) {
                log.debug("Acquired tree on switch " + t);
                t.acquire();
                this.treeAcquired = true;
            }
            else {
                this.treeAcquired = false;
            }

            this.tree = t;
            if ( old != null ) {

     * @param th
     * @return whether the handles refer to the same tree
     */
    boolean isSameTree ( SmbTreeHandle th );


    /**
     * @return whether this tree handle uses SMB2+
     */
    boolean isSMB2 ();


    /**
     * @return the remote host name
     */
    String getRemoteHostName ();


    /**
     * @return the tree type
     */
    int getTreeType ();

  //   /|\      |
  //  / | \     f
  // a  b  c
  static final Tree a = new Tree('a');
  static final Tree b = new Tree('b');
  static final Tree c = new Tree('c');
  static final Tree d = new Tree('d', a, b, c);
  static final Tree e = new Tree('e');
  static final Tree f = new Tree('f');
  static final Tree g = new Tree('g', f);
  static final Tree h = new Tree('h', d, e, g);

        this.options = options;
        this.tree = tree.acquire();
        this.tree_num = tree.getTreeId();

        if ( cfg.isTraceResourceUsage() ) {
            this.creationBacktrace = Thread.currentThread().getStackTrace();
        }
        else {
            this.creationBacktrace = null;
        }
    }


    /**
     * @param cfg
     * @param fid
     * @param tree
     * @param unc
     * @param options

    public boolean equals ( Object obj ) {
        if ( obj instanceof SmbTreeImpl ) {
            SmbTreeImpl tree = (SmbTreeImpl) obj;
            return matches(tree.share, tree.service);
        }
        return false;
    }


    public SmbTreeImpl acquire () {
        return acquire(true);
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbTree#unwrap(java.lang.Class)

    tree.put("tree", 3);
    assertThat(tree.keySet()).containsExactly("tree", "google").inOrder();
    assertThat(tree.get("google")).containsExactly(6, 2).inOrder();

    TreeMultimap<String, Integer> copy = TreeMultimap.create(tree);
    assertEquals(tree, copy);
    assertThat(copy.keySet()).containsExactly("google", "tree").inOrder();
    assertThat(copy.get("google")).containsExactly(2, 6).inOrder();

                        if ( resp2 != null && !trans.isDisconnected() ) {
                            tree.send(new SmbComClose(sess.getConfig(), resp2.getFid(), 0L));
                        }
                    }
                }
                finally {
                    if ( resp != null && !trans.isDisconnected() ) {
                        tree.send(new SmbComClose(sess.getConfig(), resp.getFid(), 0L));
                    }

   */
  public void testCreateFromTreeMultimap() {
    Multimap<Double, Double> tree = TreeMultimap.create(KEY_COMPARATOR, VALUE_COMPARATOR);
    tree.put(1.0, 2.0);
    tree.put(2.0, 3.0);
    tree.put(3.0, 4.0);
    tree.put(4.0, 5.0);

    TreeMultimap<Double, Double> copyFromTree = TreeMultimap.create(tree);
    assertEquals(tree, copyFromTree);
    assertSame(Ordering.natural(), copyFromTree.keyComparator());

- github.com/containerd/continuity: [v0.1.0](https://github.com/containerd/continuity/tree/v0.1.0)
- github.com/containerd/fifo: [v1.0.0](https://github.com/containerd/fifo/tree/v1.0.0)
- github.com/containerd/go-runc: [v1.0.0](https://github.com/containerd/go-runc/tree/v1.0.0)
- github.com/containerd/typeurl: [v1.0.2](https://github.com/containerd/typeurl/tree/v1.0.2)

   */
  public void testCreateFromTreeMultimap() {
    Multimap<Double, Double> tree = TreeMultimap.create(KEY_COMPARATOR, VALUE_COMPARATOR);
    tree.put(1.0, 2.0);
    tree.put(2.0, 3.0);
    tree.put(3.0, 4.0);
    tree.put(4.0, 5.0);

    TreeMultimap<Double, Double> copyFromTree = TreeMultimap.create(tree);
    assertEquals(tree, copyFromTree);
    assertSame(Ordering.natural(), copyFromTree.keyComparator());