import { Observable } from 'rxjs';
import { ProductInterestSearchResult, ProductInterestEntryRelation, NotificationType } from '../../../model/product-interest.model';
export declare abstract class UserInterestsAdapter {
    /**
     * Abstract method used to load product interests for an user.
     *
     * @param userId The `userId` for given user
     * @param pageSize
     * @param currentPage
     * @param sort Sorting method
     * @param productCode The product code
     * @param  notificationType The notification type
     */
    abstract getInterests(userId: string, pageSize?: number, currentPage?: number, sort?: string, productCode?: string, notificationType?: NotificationType): Observable<ProductInterestSearchResult>;
    /**
     * Abstract method used to remove product interest for an user.
     *
     * @param userId The `userId` for given user
     * @param ProductInterestRelation The product interest to be removed.
     */
    abstract removeInterest(userId: string, item: ProductInterestEntryRelation): Observable<any[]>;
    /**
     * Abstract method to add a product interest for an user.
     *
     * @param userId The `userId` for given user
     * @param productCode The product code
     * @param notificationType The notification type
     */
    abstract addInterest(userId: string, productCode: string, notificationType: NotificationType): Observable<any>;
}