{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"parent.ancestors().take_while(|it|"}]}
                parent.ancestors().take_while(|it| ast::ParenType::can_cast(it.kind())).last();
            let paren =
            let parent = paren.as_ref().and_then(|it| it.parent()).unwrap_or(parent);