import { Product } from './Product';
import { PurchaseUpdatePolicy } from './enums';
import { ProductOfferDetails } from './storeProducts/ProductOfferDetails';
import { PurchaseOptions } from './PurchaseOptions';
import { PromotionalOffer } from './PromotionalOffer';
export declare class PurchaseOptionsBuilder {
    private offerId;
    private applyOffer;
    private oldProduct;
    private updatePolicy;
    private contextKeys;
    private quantity;
    private promoOffer;
    /**
     * iOS only.
     * Set quantity of product purchasing. Use for consumable in-app products.
     * @param quantity of product purchasing.
     * @return builder instance for chain calls.
     */
    setQuantity(quantity: number): PurchaseOptionsBuilder;
    /**
     * Android only.
     * Set offer for the purchase.
     * If offer is not specified, then the default offer will be applied. To know how we choose
     * the default offer, see {@link ProductStoreDetails.defaultSubscriptionOfferDetails}.
     * @param offer concrete offer which you'd like to purchase.
     * @return builder instance for chain calls.
     */
    setOffer(offer: ProductOfferDetails): this;
    /**
     * Android only.
     * Set the offer Id to the purchase.
     * If {@link offerId} is not specified, then the default offer will be applied. To know how we choose
     * the default offer, see {@link ProductStoreDetails.defaultSubscriptionOfferDetails}.
     * @param offerId concrete offer Id which you'd like to purchase.
     * @return builder instance for chain calls.
     */
    setOfferId(offerId: string): PurchaseOptionsBuilder;
    /**
     * Android only.
     * Call this function to remove any intro/trial offer from the purchase (use only a bare base plan).
     * @return builder instance for chain calls.
     */
    removeOffer(): PurchaseOptionsBuilder;
    /**
     * Android only.
     * Set Qonversion product from which the upgrade/downgrade will be initialized.
     *
     * @param oldProduct Qonversion product from which the upgrade/downgrade
     * will be initialized.
     * @return builder instance for chain calls.
     */
    setOldProduct(oldProduct: Product): PurchaseOptionsBuilder;
    /**
     * Android only.
     * Set the update policy for the purchase.
     * If the {@link updatePolicy} is not provided, then default one
     * will be selected - {@link PurchaseUpdatePolicy.WITH_TIME_PRORATION}.
     * @param updatePolicy update policy for the purchase.
     * @return builder instance for chain calls.
     */
    setUpdatePolicy(updatePolicy: PurchaseUpdatePolicy): PurchaseOptionsBuilder;
    /**
     * Set the context keys associated with a purchase.
     *
     * @param contextKeys context keys for the purchase.
     * @return builder instance for chain calls.
     */
    setContextKeys(contextKeys: string[]): PurchaseOptionsBuilder;
    /**
     * Set the promotional offer details.
     *
     * @param promoOffer promotional offer details.
     * @return builder instance for chain calls.
     */
    setPromotionalOffer(promoOffer: PromotionalOffer): PurchaseOptionsBuilder;
    /**
     * Generate {@link PurchaseOptions} instance with all the provided options.
     * @return the complete {@link PurchaseOptions} instance.
     */
    build(): PurchaseOptions;
}