public void ensureDFSResolved () throws CIFSException {
        this.treeConnection.ensureDFSResolved(this.resourceLoc);
    }


    @Override
    public boolean hasCapability ( int cap ) throws SmbException {
        return this.treeConnection.hasCapability(cap);
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbTreeHandle#isConnected()
     */
    @Override
    public boolean isConnected () {

     */
    void ensureDFSResolved () throws CIFSException;


    /**
     * @param cap
     * @return whether the capabiltiy is present
     * @throws CIFSException
     */
    boolean hasCapability ( int cap ) throws CIFSException;


    /**
     * @return the send buffer size of the underlying connection
     * @throws CIFSException
     */
    int getSendBufferSize () throws CIFSException;

 *
 */
public interface SmbTransportInternal extends SmbTransport {

    /**
     * @param cap
     * @return whether the transport has the given capability
     * @throws SmbException
     */
    boolean hasCapability ( int cap ) throws SmbException;


    /**
     * @return whether the transport has been disconnected
     */
    boolean isDisconnected ();


    /**
     * @param hard
     * @param inuse

                    if ( ! ( e.getCause() instanceof RequestTimeoutException ) ) {
                        throw e;
                    }
                }
            }
            else if ( trans.hasCapability(SmbConstants.CAP_NT_SMBS) ) {
                int flags = SmbConstants.O_CREAT;
                int sharing = SmbConstants.FILE_SHARE_DELETE | SmbConstants.FILE_SHARE_READ | SmbConstants.FILE_SHARE_WRITE;

                r.setNotifyFlags(this.recursive ? Smb2ChangeNotifyRequest.SMB2_WATCH_TREE : 0);
                req = r;
            }
            else {
                if ( !th.hasCapability(SmbConstants.CAP_NT_SMBS) ) {
                    throw new SmbUnsupportedOperationException("Not supported without CAP_NT_SMBS");
                }

                /*

        this.openFlags &= ~(SmbFile.O_CREAT | SmbFile.O_TRUNC); /* in case close and reopen */
        writeSize = file.tree.session.transport.snd_buf_size - 70;

        useNTSmbs = file.tree.session.transport.hasCapability( ServerMessageBlock.CAP_NT_SMBS );
        if( useNTSmbs ) {
            reqx = new SmbComWriteAndX();
            rspx = new SmbComWriteAndXResponse();
        } else {
            req = new SmbComWrite();