{"ast_node_type":"variable","tokens":[{"end":51,"kind":"keyword","start":0,"text":"let"}]}
                let arg_size = arg_type.get_size();
                let count_trailing_zeroes = self.context.get_builtin_function("__builtin_ctzll");
                let casted_arg = self.context.new_cast(self.location, arg, self.ulonglong_type);