class_docstr: Used by wait(return_when=FIRST_COMPLETED).
class_docstr_tok: ["Used","by","wait","(","return_when=FIRST_COMPLETED",")","."]
code: def add_result(self, future):
      super().add_result(future)
      self.event.set()
  
imports: import collections
  import logging
  import threading
  import time
  import types
label_desc: Use image node_id 1 for calling the _FirstCompletedWaiter obj's underlying member method code with example usage: obj.add_result(future) without return types