def serialized(self):
        to_ret = {}
        for group, requirements in self.items():
            to_ret[group] = [str(requirement) for requirement in requirements]
        return to_ret
def write(self) -> None:  # type: ignore[override]
        rval: None = super(SubmoduleConfigParser, self).write()
        self.flush_to_index()
        return rval