def METHOD_NAME(self, subnet_config_repr: Tuple[float, ...]) -> Tuple[bool, float]:
    """
    Checks if sub-network info is in cache and returns the corresponding value.
    :param subnet_config_repr: tuple representing the values for the associated design variables.
    :return: (True if the information is in cache, and corresponding value stored in cache, 0 otherwise)
    """
    if subnet_config_repr in self.cache.keys():
        return True, self.cache[subnet_config_repr]
    return False, 0