*
     * @param smbFile the SmbFile to check existence for
     * @return true if the file exists
     * @throws SmbException if an error occurs
     */
    public static boolean existsWithLeasing(SmbFile smbFile) throws SmbException {
        try (SmbTreeHandleImpl th = smbFile.ensureTreeConnected()) {
            DirectoryLeaseManager dirManager = getDirectoryLeaseManager(th);