private boolean isExists;
    private int shareAccess = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
    private SmbComBlankResponse blank_resp = null;
    private DfsReferral dfsReferral = null;  // For getDfsPath() and getServerWithDfs()

    protected static Dfs dfs;

    NtlmPasswordAuthentication auth; // Cannot be null
    SmbTree tree = null;             // Initially null