How to use the matrix-appservice-bridge.Intent function in matrix-appservice-bridge

const yamlConfig = yaml.safeLoad(fs.readFileSync("discord-registration.yaml", "utf8"));
const registration = AppServiceRegistration.fromObject(yamlConfig);
const config: DiscordBridgeConfig = yaml.safeLoad(fs.readFileSync(options.config, "utf8")) as DiscordBridgeConfig;

if (registration === null) {
    throw new Error("Failed to parse registration file");
}

const clientFactory = new ClientFactory({
    appServiceUserId: `@${registration.sender_localpart}:${config.bridge.domain}`,
    token: registration.as_token,
    url: config.bridge.homeserverUrl,
});
const client = clientFactory.getClientAs();
const intent = new Intent(client, client, {registered: true});

async function run() {
    try {
        await intent.setPowerLevel(options.roomid, options.userid, options.power);
        console.log("Power levels set");
        process.exit(0);
    } catch (err) {
        console.error("Could not apply power levels to room:", err);
        process.exit(1);
    }
}

run(); // tslint:disable-line no-floating-promises

async function run() {
    await bridge.loadDatabases();
    const store = new DiscordStore(config.database);
    await store.init(undefined, bridge.getRoomStore());
    const discordbot = new DiscordBot(botUserId, config, bridge, store);
    await discordbot.init();

    bridge._clientFactory = clientFactory;
    bridge._botClient = bridge._clientFactory.getClientAs();
    bridge._botIntent = new Intent(bridge._botClient, bridge._botClient, { registered: true });
    await discordbot.ClientFactory.init();
    const client = await discordbot.ClientFactory.getClient();

    // first set update_icon to true if needed
    const mxRoomEntries = await bridge.getRoomStore().getEntriesByRemoteRoomData({
        update_name: true,
        update_topic: true,
    });

    const promiseList: Promise[] = [];
    mxRoomEntries.forEach((entry) => {
        if (entry.remote.get("plumbed")) {
            return; // skipping plumbed rooms
        }
        const updateIcon = entry.remote.get("update_icon");
        if (updateIcon !== undefined && updateIcon !== null) {