code: def _get_body_instance(self):
          
          pyof_class = self._get_body_class()
  
          if pyof_class is None:
              return BinaryData(b'')
          elif pyof_class is DescStats:
              return pyof_class()
  
          return FixedTypeList(pyof_class=pyof_class)
docs: Return the body instance.