class_docstr: The ``ClientConnection`` has sent a message to the Bokeh Server which
  should generate a paired reply, and is waiting for the reply.
class_docstr_tok: ["The","``","ClientConnection","``","has","sent","a","message","to","the","Bokeh","Server","which","should","generate","a","paired","reply",",","and","is","waiting","for","the","reply","."]
code: def __init__(self, reqid: ID) -> None:
      self._reqid = reqid
      self._reply = None
  
imports: from __future__ import annotations
  import logging
  from abc import ABCMeta, abstractmethod
  from enum import Enum, auto
  from typing import TYPE_CHECKING, Any
  from ..core.types import ID
label_desc: Use image node_id 1 to create a new WAITING_FOR_REPLY object from inherited base classes: State with example: obj = WAITING_FOR_REPLY(reqid)