import { Observable } from 'rxjs'; import { GallerySortingService, GroupedDirectoryContent } from './navigator/sorting.service'; import { FilterService } from './filter/filter.service'; import { ContentLoaderService } from './contentLoader.service'; export declare class ContentService { private contentLoaderService; private sortingService; private filterService; sortedFilteredContent: Observable; constructor(contentLoaderService: ContentLoaderService, sortingService: GallerySortingService, filterService: FilterService); }