<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _maybe_clear_confirmation_futures(self):
 """Invoked when the message has finished processing, ensuring there are no confirmation futures pending. """

        for name in self._connections.keys():
            self._connections[name].clear_confirmation_futures()