94             return self._qsize()
108             return not self._qsize()
119             return 0 < self.maxsize <= self._qsize()
135                     if self._qsize() >= self.maxsize:
138                     while self._qsize() >= self.maxsize:
144                     while self._qsize() >= self.maxsize:
166                 if not self._qsize():
169                 while not self._qsize():
175                 while not self._qsize():
208     def _qsize(self):  member in Queue
229     def _qsize(self):  member in PriorityQueue
245     def _qsize(self):  member in LifoQueue