@classmethod
def apply_(cls, name, named_args):
    """Call a named API function with a dictionary of named arguments.

    Args:
      name: The name of the API function to call.
      named_args: A dictionary of arguments to the function.

    Returns:
      An object representing the called function. If the signature specifies
      a recognized return type, the returned value will be cast to that type.
    """
    return cls.lookup(name).apply(named_args)
