docs: @Override
      public int size () {
          int size = Smb2Constants.SMB2_HEADER_LENGTH + 56;
          int dataLength = 0;
          if ( this.inputData != null ) {
              dataLength += this.inputData.size();
          }
          if ( this.outputData != null ) {
              dataLength += this.outputData.size();
          }
          return size8(size + dataLength);
      }