docs: def wait(results, num=None, timeout=None):
    """
    Wait for results of async executions to become available/ready.
  
    `results`: List of AsyncResult instances returned by one of
               `execute_greenlet_async` or `execute_process_async`.
    `num`: Number of results to wait for. None implies wait for all results.
    `timeout`: Number of seconds to wait for `num` of the `results` to become
               ready.
    """
    return AbstractExecutor.wait(results, num=num, timeout=timeout)