def METHOD_NAME(self, token: contextvars.Token) -> None:
    """
    Reset the underlying storage to the previous context state.
    Resets the storage state to the `context` associated with the provided token. After
    resetting storage state, any additional `connections` created in the `old context` are
    copied into the `current context`.
    :param token:
        The token corresponding to the `context` to which the storage state has to
        be reset. Typically, this token is obtained by calling the
        :meth:`set<tortoise.connection.ConnectionHandler.set>` method of this class.
    """
    current_storage = self._get_storage()
    self._conn_storage.METHOD_NAME(token)
    prev_storage = self._get_storage()
    for alias, conn in current_storage.items():
        if alias not in prev_storage:
            prev_storage[alias] = conn