{"ast_node_type":"variable","tokens":[{"end":88,"kind":"keyword","start":0,"text":"let"}]}
        let mut deferred_call_resolutions = self.deferred_call_resolutions.borrow_mut();
    ) -> Vec<DeferredCallResolution<'tcx>> {
        deferred_call_resolutions.remove(&closure_def_id).unwrap_or_default()