static async Task RefreshEndpointKeys(QnAMaker client, string keyType)
{
var xxx = await client.RefreshEndpointKeys(keyType);
System.Console.WriteLine(xxx.installedVersion);
System.Console.WriteLine(xxx.lastStableVersion);
System.Console.WriteLine(xxx.primaryEndpointKey);
System.Console.WriteLine(xxx.secondaryEndpointKey);
}