src/vs/workbench/browser/parts/statusbar/statusbarModel.ts/StatusbarViewModel/constructor
class StatusbarViewModel:	constructor(private readonly storageService: IStorageService) {
		super();

		this.restoreState();
		this.registerListeners();

		Registry.as<IProfileStorageRegistry>(Extensions.ProfileStorageRegistry)
			.registerKeys([{
				key: StatusbarViewModel.HIDDEN_ENTRIES_KEY,
				description: localize('statusbar.hidden', "Status bar entries visibility customizations"),
			}]);
	}