public boolean haveCapabilitiy ( int cap ) {
        return ( this.commonCapabilities & cap ) == cap;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.SmbNegotiationResponse#isDFSSupported()
     */
    @Override
    public boolean isDFSSupported () {
        return !getConfig().isDfsDisabled() && haveCapabilitiy(Smb2Constants.SMB2_GLOBAL_CAP_DFS);
    }


    /**
     * 

        DfsReferral dr = null;
        long now = System.currentTimeMillis();

        if (DISABLED || root.equals("IPC$")) {
            return null;
        }
        /* domains that can contain DFS points to maps of roots for each
         */
        HashMap domains = getTrustedDomains(auth);
        if (domains != null) {
            domain = domain.toLowerCase();
            /* domain-based DFS root shares to links for each

 *      <code>WriteFile</code>, and <code>CloseFile</code> A byte-type pipe can
 *      be opened, written to, read from and closed using the standard Win32
 *      file operations.
 * </ul>
 *
 * <p>The jCIFS API maps all of these operations into the standard Java
 * <code>XxxputStream</code> interface. A special <code>PIPE_TYPE</code>
 * flags is necessary to distinguish which type of Named Pipe behavior
 * is desired.
 *

        return ( attributes & ATTR_HIDDEN ) == ATTR_HIDDEN;
    }

/**
 * If the path of this <code>SmbFile</code> falls within a DFS volume,
 * this method will return the referral path to which it maps. Otherwise
 * <code>null</code> is returned.
 */

    public String getDfsPath() throws SmbException {
        resolveDfs(null);
        if( dfsReferral == null ) {
            return null;

     * @return 指定されたキーと値を持つ{@link HashMap}を構築するための{@literal Maps}
     */
    public static <KEY, VALUE> Maps<KEY, VALUE> hashMap(final KEY key, final VALUE value) {
        return new Maps<>(new HashMap<KEY, VALUE>()).$(key, value);
    }

    /**
     * 指定されたキーと値を持つ{@link Hashtable}を構築するための{@literal Maps}を返します。
     *
     * @param <KEY>
     *            <code>Map</code>のキーの型
     * @param <VALUE>

    static final int CAP_NONE             = 0x0000;
    static final int CAP_RAW_MODE         = 0x0001;
    static final int CAP_MPX_MODE         = 0x0002;
    static final int CAP_UNICODE          = 0x0004;
    static final int CAP_LARGE_FILES      = 0x0008;
    static final int CAP_NT_SMBS          = 0x0010;
    static final int CAP_RPC_REMOTE_APIS  = 0x0020;
    static final int CAP_STATUS32         = 0x0040;

    /**
     * 
     */
    public static final int SMB2_GLOBAL_CAP_DFS = 0x1;

    /**
     * 
     */
    public static final int SMB2_GLOBAL_CAP_LEASING = 0x2;

    /**
     * 
     */
    public static final int SMB2_GLOBAL_CAP_LARGE_MTU = 0x4;

    /**
     * 
     */
    public static final int SMB2_GLOBAL_CAP_MULTI_CHANNEL = 0x8;

    /**
     * 
     */

                    | ( this.useExtendedSecurity ? SmbConstants.CAP_EXTENDED_SECURITY : 0 )
                    | ( this.useLargeReadWrite ? SmbConstants.CAP_LARGE_READX : 0 ) | ( this.useLargeReadWrite ? SmbConstants.CAP_LARGE_WRITEX : 0 )
                    | ( this.useUnicode ? SmbConstants.CAP_UNICODE : 0 );
        }

    /**
     * @return whether signing has been negotiated
     */
    boolean isSigningNegotiated ();


    /**
     * @param cap
     * @return whether capability is negotiated
     */
    boolean haveCapabilitiy ( int cap );


    /**
     * @return the send buffer size
     */
    int getSendBufferSize ();


    /**
     * @return the receive buffer size
     */

/**
 * @author mbechler
 *
 */
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 ();