methodbun.RedisClient.rpushxrpushx(key: KeyLike,value: KeyLike): Promise<number>;Append a value to a list, only if the list exists@param keyThe list key@param valueThe value to append@returnsPromise that resolves with the length of the list after the push operation, or 0 if the list doesn't exist
Promise that resolves with the length of the list after the push operation, or 0 if the list doesn't exist