code: def find_class(self):
          
          classes = {1: InstructionGotoTable, 2: InstructionWriteMetadata,
                     3: InstructionWriteAction, 4: InstructionApplyAction,
                     5: InstructionClearAction, 6: InstructionMeter}
          return classes.get(self.value, None)
docs: Return a class related with this type.