// why isn't this just return batchLimits[c]?
        switch( c ) {
            case SMB_COM_CHECK_DIRECTORY:
                return batchLimits[0];
            case SMB_COM_CREATE_DIRECTORY:
                return batchLimits[2];
            case SMB_COM_DELETE:
                return batchLimits[3];
            case SMB_COM_DELETE_DIRECTORY:
                return batchLimits[4];
            case SMB_COM_OPEN_ANDX:

     */
    @Override
    public int getBatchLimit ( String cmd ) {
        Integer set = this.batchLimits.get(cmd);
        if ( set != null ) {
            return set;
        }

        set = doGetBatchLimit(cmd);
        if ( set != null ) {
            this.batchLimits.put(cmd, set);
            return set;
        }

        set = DEFAULT_BATCH_LIMITS.get(cmd);

            dst[start + ANDX_OFFSET_OFFSET + 1] = (byte)0xde;

            // andx not used; return
            return dstIndex - start;
        }

        /* The message provided to batch has a batchLimit that is
         * higher than the current batchLevel so we will now encode
         * that chained message. Before doing so we must increment
         * the batchLevel of the andx message in case it itself is an

            dst[ start + ANDX_OFFSET_OFFSET + 1 ] = (byte) 0xde;

            // andx not used; return
            return dstIndex - start;
        }

        /*
         * The message provided to batch has a batchLimit that is
         * higher than the current batchLevel so we will now encode
         * that chained message. Before doing so we must increment
         * the batchLevel of the andx message in case it itself is an