class DataBlock < RubySMB::SMB1::Packet::Trans2::DataBlock
            string            :pad1,               length: -> { pad1_length }
            trans2_parameters :trans2_parameters,  label: 'Trans2 Parameters'
            string            :pad2,               length: -> { pad2_length }
            string            :trans2_data,        label: 'Trans2 Data', length: 0