@classmethod
def load_as_string(cls, util_code_name, from_file=None, **kwargs):
    """
        Load a utility code as a string. Returns (proto, implementation)
        """
    util = cls.load(util_code_name, from_file, **kwargs)
    proto, impl = util.proto, util.impl
    return util.format_code(proto), util.format_code(impl)
