{"ast_node_type":"other","tokens":[{"end":39,"kind":"keyword","start":0,"text":".filter_map(|item|"}]}
        .filter_map(|item| match item {
        .filter_map(|it| it.parent_ancestors().nth(1).and_then(ast::Item::cast))
            ast::Item::Const(c) => c.body().map(|it| it.syntax().descendants()),