import type { ParsedAd, VastTrackingEvent, Optional } from '../types';
/**
 * Gets the Non Linear tracking events from the Vast Ad
 *
 * @param ad VAST ad object.
 * @param eventName If provided it will filter-out the array events against it.
 * @returns Array of Tracking event definitions
 */
export declare const getNonLinearTrackingEvents: (ad: ParsedAd, eventName?: string) => Optional<VastTrackingEvent[]>;