sRandMember(key: string): string

import redis from "pts/redis";

let client = new redis.Client("redis://:<password>@<host>:6379/0");

export default function main() {
    let sAddResp = client.sAdd("set", "hello", "world");
    console.log(`redis sAdd ${sAddResp}`); // 2
    let sRandMemberResp = client.sRandMember("set");
    console.log(`redis sRandMember ${sRandMemberResp}`); // world
}