/**
 * @public
 */
export declare const AdLoaderEvent: {
    readonly SUCCESS: "onSuccess";
    readonly FAILURE: "onFailure";
};
/**
 * @public
 */
export declare type AdLoaderEvent = typeof AdLoaderEvent[keyof typeof AdLoaderEvent];
/**
 * @internal
 */
export declare function isAdLoaderEvent(value: any): value is AdLoaderEvent;