protected override async System.Threading.Tasks.Task InitializeAsync(CancellationToken cancellationToken, IProgress <ServiceProgressData> progress)
        {
            await this.JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);

            UpdateReferencesCommand.Initialize(this);
        }
 /// <summary>
 /// Initializes the singleton instance of the command.
 /// </summary>
 /// <param name="package">Owner package, not null.</param>
 public static void Initialize(Package package)
 {
     Instance = new UpdateReferencesCommand(package);
 }