final ICommandService commandService = new SlaveCommandService(
parentCommandService, IServiceScopes.WINDOW_SCOPE,
this);
serviceLocator.registerService(ICommandService.class, commandService);
final IMenuService menuService = new WindowMenuService(serviceLocator);
serviceLocator.registerService(IMenuService.class, menuService);
// final ISourceProviderService sourceProviderService = (ISourceProviderService) serviceLocator
// .getService(ISourceProviderService.class);
// final ISourceProvider[] sourceProviders = sourceProviderService