def get_data_type(self):
        """Get the payload type for the actual underlying structure referred
        to by this struct reference.

        See also: `ClassInstanceType.get_data_type`
        """
        return StructRefPayload(
            typename=self.__class__.__name__, fields=self._fields,
        )
Get the payload type for the actual underlying structure referred
        to by this struct reference.

        See also: `ClassInstanceType.get_data_type`
        
numba/core/types/containers.py