563             let mut refs = self.node_refs.lock();  in debug_print_stats()  localVariable
625             let mut refs = self.node_refs.lock();  in debug_print()  localVariable
819             let mut refs = self.node_refs.lock();  in insert_or_update_handle()  localVariable
836         let mut refs = &mut *refs_lock;  in insert_or_update_handle()  localVariable
945         let mut refs = self.node_refs.lock();  in update_ref()  localVariable
1227         let mut refs = self.node_refs.lock();  in request_death()  localVariable
1270         let mut refs = self.node_refs.lock();  in clear_death()  localVariable
1389             let mut refs = self.node_refs.lock();  in deferred_release()  localVariable