import { Observable } from 'rxjs';
import { CartModification } from '../../../model/cart.model';
export declare abstract class CartEntryAdapter {
    /**
     * Abstract method used to add entry to cart
     *
     * @param userId
     * @param cartId
     * @param productCode
     * @param quantity
     */
    abstract add(userId: string, cartId: string, productCode: string, quantity?: number): Observable<CartModification>;
    /**
     * Abstract method used to update entry in cart
     * @param userId
     * @param cartId
     * @param entryNumber
     * @param qty
     * @param pickupStore
     */
    abstract update(userId: string, cartId: string, entryNumber: string, qty: number, pickupStore?: string): Observable<CartModification>;
    /**
     * Abstract method used to remove entry from cart
     *
     * @param userId
     * @param cartId
     * @param entryNumber
     */
    abstract remove(userId: string, cartId: string, entryNumber: string): Observable<any>;
}