src/vs/workbench/contrib/search/common/searchHistoryService.ts/SearchHistoryService/save
class SearchHistoryService:	save(history: ISearchHistoryValues): void {
		if (isEmptyObject(history)) {
			this.storageService.remove(SearchHistoryService.SEARCH_HISTORY_KEY, StorageScope.WORKSPACE);
		} else {
			this.storageService.store(SearchHistoryService.SEARCH_HISTORY_KEY, JSON.stringify(history), StorageScope.WORKSPACE, StorageTarget.USER);
		}
	}