code: void onContextStopped(Context context) {
  		TinyBus bus = mBuses.get(context);
  		if (bus != null) {
  			bus.getLifecycleCallbacks().onStop();
  		}
  		if (DEBUG) Log.d(TAG, " ### STOPPED, bus count: " + mBuses.size());
  	}
docs: -- inner lifecycle implementation