private static Task ExecuteWorkerService(string commandVerb, InstallDirectoryItem appInstallation, int?timeoutSeconds = null, string startOptions = null)
        {
            var workerServiceFile      = Path.Combine(appInstallation.Directory.FullName, WorkerServiceFile);
            var workerServiceArguments = BuildServiceCommand(commandVerb, appInstallation, timeoutSeconds, startOptions);

            return(MonoHelper.ExecuteProcessAsync(workerServiceFile, workerServiceArguments));
        }