import { Observable } from 'rxjs';
import { Favorite, FavoriteData, FavoriteHandler, FindOptions, HandlerOptions } from '../favorite.model';
import { FavoritesService } from '../favorites.service';
export declare abstract class FavoriteHandlerBase implements FavoriteHandler {
    protected favoritesService: FavoritesService;
    abstract weight: number;
    abstract matchType(data: FavoriteData): string | null;
    constructor(favoritesService: FavoritesService);
    abstract find(data: FavoriteData, options?: FindOptions): Favorite | null;
    add(favorite: Favorite, options?: HandlerOptions): Observable<boolean>;
    remove(favorite: Favorite, options?: HandlerOptions): Observable<boolean>;
    edit(favorite: Favorite, options?: HandlerOptions): Observable<boolean>;
}