import { IAPProduct } from '@ionic-native/in-app-purchase-2/ngx';
import { IStore } from './stores/store.interface';
import { RegisterProductIdentifier } from './interfaces/register-product-identifier.interface';
import { Observable } from 'rxjs';
export declare class IonicPerfectIapService {
    private store;
    private _products;
    private _isReady;
    verbose: boolean;
    constructor();
    get isReady(): boolean;
    get products(): IAPProduct[];
    initialize(store: IStore, products: RegisterProductIdentifier[]): Promise<void>;
    buy(product: string | IAPProduct): Promise<{}>;
    purchased(product: string | IAPProduct, onlyNewPurchases?: boolean): Promise<IAPProduct>;
    owned(product: string | IAPProduct): Observable<IAPProduct>;
    approved(product: string | IAPProduct): Observable<IAPProduct>;
    verified(product: string | IAPProduct): Observable<IAPProduct>;
    private addOrReplace;
    private registerProducts;
}