private static async Task RunAsync()
        {
            SampleConfiguration config = SampleConfiguration.ReadFromJsonFile("appsettings.json");
            var appConfig = config.PublicClientApplicationOptions;
            var app       = PublicClientApplicationBuilder.CreateWithApplicationOptions(appConfig)
                            .Build();
            var httpClient = new HttpClient();

            MyInformation myInformation = new MyInformation(app, httpClient, config.MicrosoftGraphBaseEndpoint);
            await myInformation.DisplayMeAndMyManagerAsync();
        }