<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_timeout_options(self):
 """Implements the NailgunProtocol.TimeoutProvider interface."""

    if self._exit_timeout_start_time:
      return NailgunProtocol.TimeoutOptions(self._exit_timeout_start_time, self._exit_timeout)
    else:
      return None