NeilBostrom

static async Task Main(string[] args)
{
    var options = new GraphQLHttpClientOptions
    {
        EndPoint = new Uri("https://countries.trevorblades.com/"),
        HttpMessageHandler = new AWS4SignerMessageHandler(
                                new AmazonAppSyncClient(),
                                "--awsAccessKeyId--",
                                "--awsSecretAccessKey--")
    };