(cls, payload, **kwargs)
Create a Download object from a payload, plus any additional arguments
        to pass through to the constructor.
Create a Download object from a payload, plus any additional arguments
        to pass through to the constructor.
Create a Download object from a payload plus any additional arguments to pass through to the constructor .
def create(cls, payload, **kwargs):
        """
        Create a Download object from a payload, plus any additional arguments
        to pass through to the constructor.
        """
        raise NotImplementedError("This should be overridden by subclasses!")
def create ( cls , payload , * * kwargs ) : raise NotImplementedError ( "This should be overridden by subclasses!" )