{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"nodes_in_current_session:"}]}
            nodes_in_current_session: new_node_dbg.then(|| {
            fingerprints: Lock::new(IndexVec::from_elem_n(None, new_node_count_estimate)),
                Lock::new(FxHashMap::with_capacity_and_hasher(