getServerIPsBySteamID(steamids, callback) {
		return StdLib.Promises.timeoutCallbackPromise(10000, ['servers'], callback, (resolve, reject) => {
			steamids = steamids.map(Helpers.steamID);

			this._sendUnified('GameServers.GetServerIPsBySteamID#1', {
				server_steamids: steamids
			}, (body) => {
				let servers = {};

				(body.servers || []).forEach((server) => {
					servers[server.steamid.toString()] = server.addr;
				});

				resolve({servers});
			});
		});
	}
Get the associated IPs for given server SteamIDs.
@param {string[]|SteamID[]} steamids
@param {function} [callback]
@return {Promise}