import { Observable } from 'rxjs';
import { FieldFilterDefinition, FieldSortDefinition, RequestImagesRange, DataStoreAdapter } from '../interfaces/datastore-adapter.interface';
import { MigImageData } from '../interfaces/mig-image-data.interface';
import { Page } from '../interfaces/page.interface';
import * as i0 from "@angular/core";
/**
 * Base class for the adapter that gets a list of image data
 * from the data store.
 * @template T - class derived from MigImageData
 */
export declare abstract class DatastoreAdapterServiceBase<T extends MigImageData = MigImageData> implements DataStoreAdapter<T> {
    /**
     * Get list of all available images for use in progressive image grid
     * @param imagesRange - definition of the number of requested images
     * @param sorts - sorting definition of the requested images
     * @param filters - filter for selecting the requested images
     * @returns list of images
     */
    getPagedData(imagesRange: RequestImagesRange, sorts?: FieldSortDefinition<T>[], filters?: FieldFilterDefinition<T>[]): Observable<Page<T>>;
    static ɵfac: i0.ɵɵFactoryDeclaration<DatastoreAdapterServiceBase<any>, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<DatastoreAdapterServiceBase<any>>;
}