/**
  * Register any other events for your application.
  *
  * @param  \Illuminate\Contracts\Events\Dispatcher  $events
  * @return void
  */
 public function boot(DispatcherContract $events)
 {
     parent::boot($events);
     // register the ProjectObserver class.
     Client::observe(new ClientObserver());
     // register the ProjectObserver class.
     Project::observe(new ProjectObserver());
     // register the WorkTypeObserver class.
     WorkType::observe(new WorkTypeObserver());
     // register the TimeCardFormatObserver class.
     TimeCardFormat::observe(new TimeCardFormatObserver());
     // register the WorkObserver class.
     Work::observe(new WorkObserver());
     // register the TimeCardObserver class.
     TimeCard::observe(new TimeCardObserver());
     // register the TimeCardHoursWorkedObserver class.
     TimeCardHoursWorked::observe(new TimeCardHoursWorkedObserver());
     // register the TaskTypeObserver class.
     TaskType::observe(new TaskTypeObserver());
     // register the TaskObserver class.
     Task::observe(new TaskObserver());
 }