{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"deferred_closures.keys().map(|it|"}]}
            deferred_closures.keys().map(|it| (*it, 0)).collect();
        let mut dependents_count: FxHashMap<ClosureId, usize> =
        for deps in self.closure_dependencies.values() {