import type { BluestackPreference } from './Preference';
export declare const BluestackInterstitial: {
    /**
     * Load interstitial ad for a given placementId and shows it if autoDisplay is true
     * @param placementId — The placement Id of the ad
     * @param autoDisplay — Enable / Disable auto display
     * @param bsPreference — Preferences for the ad to display
     */
    loadAd(placementId: string, autoDisplay?: boolean, bsPreference?: BluestackPreference): any;
    /**
     * Display an loaded interstitial ad
     */
    displayAd(): Promise<number>;
    /**
     * Add interstitial ad event listener
     * @param listener — The listener function
     */
    addEventListener(listener: (event: any) => void): void;
    /**
     * Remove all interstitial ad event listeners
     */
    removeAllEventListeners(): void;
};