import { IPaywall } from "../types/paywall";
import { NamiProductDetails } from "../types/externals/product";
import { Callback, CloseHandler, DeepLinkUrlHandler, SKUActionHandler } from "../types/components/containers";
import { NamiPurchaseDetails } from "../types/externals/purchase";
/**
 * @class NamiPaywallManager
 * Provides methods for managing all aspects of a paywall in the Nami SDK.
 */
export declare class NamiPaywallManager {
    static instance: NamiPaywallManager;
    private emitter;
    productDetails: NamiProductDetails[];
    /**
     * @returns {IPaywall[]} a list of Paywall
     */
    static allPaywalls(): IPaywall[];
    /**
     * Used to set product details when store products are unavailable. For advanced use cases only.
     */
    static setProductDetails(productDetails: NamiProductDetails[]): void;
    /**
     * Register a callback which would be invoked when user will sign-in
     */
    static registerSignInHandler(handler: Callback): Callback;
    /**
     * Register a callback which would be invoked when user close a paywall raised by Nami system
     */
    static registerCloseHandler(handler: CloseHandler): Callback;
    /**
     * Register a callback which would be invoked when user will take action on deeplink
     */
    static registerDeeplinkActionHandler(handler: DeepLinkUrlHandler): Callback;
    /**
     * Register a [NamiBuySkuHandler] which would be invoked when a user triggers
     * a buy sku action on a paywall.
     *
     * Only available for plans where Nami is not handling subscription & IAP management.
     */
    static registerBuySkuHandler(handler: SKUActionHandler): Callback;
    /**
     * Register a callback which would be invoked when user restore a product
     */
    static registerRestoreHandler(handler: Callback): Callback;
    /**
     * Notify the NamiPaywallManager that a purchase initiated from the
     * [NamiBuySkuHandler] is complete.
     *
     * Only available for plans where Nami is not handling subscription & IAP management.
     *
     * @returns {Promise<void>} A Promise that resolves when buying SKU will be complete.
     */
    static buySkuComplete(purchase: NamiPurchaseDetails): Promise<void>;
    /**
     * Notify the NamiPaywallManager that purchase flow handled by you is cancelled.
     * Used to disable product purchase-in-progress loading indicators
     */
    static buySkuCancel(): void;
    /**
     * Set the video details for the app supplied video
     * @param url The URL of the video
     * @param name The name of the video
     */
    static setAppSuppliedVideoDetails(url: string, name?: string): void;
    /**
     * Private Instance Methods
     */
    private get sdkInitialized();
}