docs: def defaults(**options):
      """Set default Async options on the function decorated.
  
      Note: you must pass the decorated function by reference, not as a
      "path.string.to.function" for this to have any effect.
      """
      _check_options(options)
  
      def real_decorator(function):
          function._async_options = options
  
          @wraps(function)
          def wrapper(*args, **kwargs):
              return function(*args, **kwargs)
          return wrapper
  
      return real_decorator