src/vs/workbench/contrib/welcomeGettingStarted/browser/gettingStarted.ts/GettingStartedPage/getHiddenCategories
class GettingStartedPage:	private getHiddenCategories(): Set<string> {
		return new Set(JSON.parse(this.storageService.get(hiddenEntriesConfigurationKey, StorageScope.PROFILE, '[]')));
	}