@staticmethod
def p_daq_optional(p):
    """daq_optional : daq_list
                        | event
                        | timestamp_supported
                        | optimisation_type
                        | address_extension
                        | identification_field_type
                        | granularity_odt_entry
                        | prescaler_supported
                        | resume_supported
                        | IDENT
                        | NUMERIC"""
    p[0] = p.slice[1].type, p[1]
