@classmethod
def call_(cls, name, *args, **kwargs):
    """Call a named API function with positional and keyword arguments.

    Args:
      name: The name of the API function to call.
      *args: Positional arguments to pass to the function.
      **kwargs: Keyword arguments to pass 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).call(*args, **kwargs)
