return t;
    }


    /**
     * @return
     */
    private synchronized SmbTreeImpl getTreeInternal () {
        SmbTreeImpl t = this.tree;
        if ( t != null ) {
            return t;
        }
        if ( this.delegate != null ) {
            return this.delegate.getTreeInternal();
        }
        return null;
    }


    /**
     * @param t
     */