docstr: Return the approximate size of the queue (not reliable!).
docstr_tok: ["Return","the","approximate","size","of","the","queue","(","not","reliable","!",")","."]
code: def qsize(self) -> int:
      """Return the approximate size of the queue (not reliable!)."""
  
      with self.mutex:
          return self._qsize()
  
imports: from __future__ import annotations
  import asyncio
  from collections import deque
  import threading
  from time import time
  from typing import Any
  from typing import Deque
  from typing import Generic
  from typing import Optional
  from typing import TypeVar
  from .concurrency import await_
  from .langhelpers import memoized_property
label_desc: Use image node_id 2 for calling the Queue obj's underlying member method code with example usage: obj.qsize() and returns: self