}

    /**
     * Returns a boolean indicating if the project is the top level project for
     * this reactor build.  The top level project may be different from the
     * {@code rootDirectory}, especially if a subtree of the project is being
     * built, either because Maven has been launched in a subdirectory or using
     * a {@code -f} option.
     *
     * @return {@code true} if the project is the top level project for this build

   * being a real directory to being a symlink to another directory. It then calls
   * deleteDirectoryContents thousands of times on a directory whose subtree contains the file
   * that's switching between directory and symlink to try to ensure that under no circumstance does
   * deleteDirectoryContents follow the symlink to the other directory and delete that directory's

   * being a real directory to being a symlink to another directory. It then calls
   * deleteDirectoryContents thousands of times on a directory whose subtree contains the file
   * that's switching between directory and symlink to try to ensure that under no circumstance does
   * deleteDirectoryContents follow the symlink to the other directory and delete that directory's

}
```

### 3.2 Directory Cache Scopes
```java
public enum DirectoryCacheScope {
    IMMEDIATE_CHILDREN,    // Only direct children
    RECURSIVE_TREE,        // Entire subtree (if supported)
    METADATA_ONLY,         // File attributes but not content
    FULL_ENUMERATION      // Complete directory listing
}
```

## 4. Data Structures

### 4.1 Directory Lease Context
```java

    /**
     * Whether to use directory leasing for cached directory listings
     */
    protected boolean useDirectoryLeasing = true;
    /**
     * The scope of directory caching: ALL (entire subtree) or IMMEDIATE_CHILDREN (direct children only)
     */
    protected String directoryCacheScope = "IMMEDIATE_CHILDREN";
    /**
     * Directory cache timeout in milliseconds
     */

   *     guaranteed for the file system and {@link RecursiveDeleteOption#ALLOW_INSECURE} was not
   *     specified
   * @throws IOException if {@code path} or any file in the subtree rooted at it can't be deleted
   *     for any reason
   */
  public static void deleteRecursively(Path path, RecursiveDeleteOption... options)
      throws IOException {
    Path parentPath = getParentPath(path);

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb1.smb1;

import jcifs.smb1.util.LogStream;

class SmbTree {

    private static int tree_conn_counter;

    /* 0 - not connected
     * 1 - connecting
     * 2 - connected
     * 3 - disconnecting
     */
    int connectionState;
    int tid;

 *
 * @author mbechler
 *
 */
public interface SmbTree extends AutoCloseable {

    /**
     * Unwraps the tree instance to the specified type
     * @param <T> the target tree type
     * @param type the class of the tree type to unwrap to
     * @return tree instance with the given type
     */
    <T extends SmbTree> T unwrap(Class<T> type);

    /**
     * {@inheritDoc}
     *

        verify(smbTree).unwrap(CustomSmbTree.class);
    }

    /**
     * Test for unwrap() method with the same type.
     * Verifies that unwrap can return itself when the type matches.
     */
    @Test
    void testUnwrap_withSameType() {
        when(smbTree.unwrap(SmbTree.class)).thenReturn(smbTree);

        SmbTree result = smbTree.unwrap(SmbTree.class);

        smbSession.transport = smbTransport;

        // Mock the tree layer
        smbTree = mock(SmbTree.class);
        smbTree.session = smbSession;
        smbTree.tree_num = 1;

        // Mock the SmbFile
        smbFile = mock(SmbFile.class);
        smbFile.tree = smbTree;
        smbFile.fid = 1;
        smbFile.tree_num = 1;

        when(smbFile.isFile()).thenReturn(true);