/**
     * Retrieves the tree handle for this SMB resource
     *
     * @return a tree handle
     * @throws CIFSException if the tree connection cannot be established
     */
    public SmbTreeHandle getTreeHandle() throws CIFSException {
        return ensureTreeConnected();
    }

    /**
     * {@inheritDoc}
     * Optimized to provide better resource cleanup with caching benefits.
     *