{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"RwLockReadGuard"}]}
    RwLockReadGuard as ReadGuard, RwLockWriteGuard as WriteGuard,
    MappedRwLockReadGuard as MappedReadGuard, MappedRwLockWriteGuard as MappedWriteGuard,
};