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","."]
docstr: The request ID of the originating message. 
docstr_tok: ["The","request","ID","of","the","originating","message","."]
code: def reqid(self) -> ID:
      """The request ID of the originating message."""
      return self._reqid
  
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 3 for calling the WAITING_FOR_REPLY obj's underlying member method code with example usage: obj.reqid() and returns: self