{"ast_node_type":"variable","tokens":[{"end":57,"kind":"keyword","start":0,"text":"let"}]}
    let mut leaves = tt.iter().filter_map(|tt| match tt {
fn convert_path_tt(db: &dyn ExpandDatabase, tt: tt::TokenTreesView<'_>) -> Option<ModPath> {
        tt::TtElement::Leaf(leaf) => Some(leaf),