src/vs/workbench/contrib/welcome/gettingStarted/browser/gettingStarted.ts/GettingStartedPage/setHiddenCategories
class GettingStartedPage:	private setHiddenCategories(hidden: string[]) {
		this.storageService.store(
			hiddenEntriesConfigurationKey,
			JSON.stringify(hidden),
			StorageScope.GLOBAL,
			StorageTarget.USER);
	}