/**
     * @param ctx
     * @return session
     */
    SmbSession getSmbSession ( CIFSContext ctx );


    /**
     * @param tf
     * @param targetHost
     * @param targetDomain
     * @return session
     */
    SmbSession getSmbSession ( CIFSContext tf, String targetHost, String targetDomain );


    /**
     * @return whether this is a SMB2 connection