@classmethod
def _set_class_internal_methods(cls):
    """Set supplied function internal call syntax methods."""
    if not cls._score_methods_internal:
        cls._score_methods_internal = [cls._call_function_with_args_kwargs,
            cls._call_function_with_kwargs, cls.
            _call_function_no_args_nor_kwargs]
    if not cls._profit_to_cost_methods_internal:
        cls._profit_to_cost_methods_internal = [cls.
            _call_function_with_args_kwargs, cls._call_function_with_kwargs,
            cls._call_function_no_args_nor_kwargs]
    if not cls._profit_to_cost_argument_indexes_internal:
        cls._profit_to_cost_argument_indexes_internal = [4, 3, 1]
    if not cls._assign_methods_internal:
        cls._assign_methods_internal = [cls._call_function_with_args_kwargs,
            cls._call_function_with_kwargs, cls.
            _call_function_no_args_nor_kwargs]
