{"ast_node_type":"variable","tokens":[{"end":75,"kind":"keyword","start":0,"text":"let"}]}
    let paths = paths.into_iter().map(|it| it.syntax().clone()).join("::");
pub fn join_paths(paths: impl IntoIterator<Item = ast::Path>) -> ast::Path {
    ast_from_text(&format!("type __ = {paths};"))