def get_ptr_suffix_id(self, version: int) -> str:
    if (version == 1):
        raise NoOldIdError()
    else:
        raise NotImplementedError()
        return (self.next.get_ptr_suffix_id(version) + 'Dp')
def get_ptr_suffix_id(self, version: int) -> str:
    if (version == 1):
        raise NoOldIdError()
    else:
        raise NotImplementedError()
        return (self.next.get_ptr_suffix_id(version) + 'Dp')