Returns
        -------
        list_prior_model_tuples: [(String, ListPriorModel)]

def list_prior_model_tuples(self):
        """
        Returns
        -------
        list_prior_model_tuples: [(String, ListPriorModel)]
        """
        return list(filter(lambda t: isinstance(t[1], CollectionPriorModel), self.__dict__.items()))