methodbun.RedisClient.rpoprpop(key: KeyLike): Promise<null | string>;Remove and get the last element in a list@param keyThe list key@returnsPromise that resolves with the last element, or null if the list is emptyrpop(key: KeyLike,count: number): Promise<string[]>;Remove and get the last count elements in a list@param keyThe list key@param countThe number of elements to pop@returnsPromise that resolves with the removed elements