import type { VastChain, VpaidCreativeAdUnit } from '../types';
import { VideoAdContainer } from '../adContainer';
import { VideoAdUnit, type VideoAdUnitOptions } from './VideoAdUnit';
declare const _private: unique symbol;
/**
 * Options map to create a {@link VpaidAdUnit}
 */
export type VpaidAdUnitOptions = VideoAdUnitOptions;
/**
 * This class provides everything necessary to run a Vpaid ad.
 */
export declare class VpaidAdUnit extends VideoAdUnit {
    private [_private];
    /** Ad unit type. Will be `VPAID` for VpaidAdUnit */
    type: string;
    /** Reference to the Vpaid Creative ad unit. Will be null before the ad unit starts. */
    creativeAd?: VpaidCreativeAdUnit;
    /**
     * Creates a {@link VpaidAdUnit}.
     *
     * @param vastChain The {@link VastChain} with all the {@link VastResponse}
     * @param videoAdContainer container instance to place the ad
     * @param options Options Map
     */
    constructor(vastChain: VastChain, videoAdContainer: VideoAdContainer, options?: VpaidAdUnitOptions);
    /**
     * Starts the ad unit.
     *
     * @throws if called twice.
     * @throws if ad unit is finished.
     */
    start(): Promise<void>;
    /**
     * Resumes a previously paused ad unit.
     *
     * @throws if ad unit is not started.
     * @throws if ad unit is finished.
     */
    resume(): void;
    /**
     * Pauses the ad unit.
     *
     * @throws if ad unit is not started.
     * @throws if ad unit is finished.
     */
    pause(): void;
    /**
     * Skip the ad unit.
     *
     * @throws if ad unit is not started.
     * @throws if ad unit is finished.
     */
    skip(): void;
    /**
     * Returns true if the ad is paused and false otherwise
     */
    paused(): boolean;
    /**
     * Sets the volume of the ad unit.
     *
     * @throws if ad unit is not started.
     * @throws if ad unit is finished.
     *
     * @param volume must be a value between 0 and 1;
     */
    setVolume(volume: number): void;
    /**
     * Gets the volume of the ad unit.
     *
     * @throws if ad unit is not started.
     * @throws if ad unit is finished.
     *
     * @returns the volume of the ad unit.
     */
    getVolume(): number;
    /**
     * Cancels the ad unit.
     *
     * @throws if ad unit is finished.
     */
    cancel(): Promise<void>;
    /**
     * Returns the duration of the ad Creative or 0 if there is no creative.
     *
     * Note: if the user has engaged with the ad, the duration becomes unknown and it will return 0;
     *
     * @returns the duration of the ad unit.
     */
    duration(): number;
    /**
     * Returns the current time of the ad Creative or 0 if there is no creative.
     *
     * Note: if the user has engaged with the ad, the currentTime becomes unknown and it will return 0;
     *
     * @returns the current time of the ad unit.
     */
    currentTime(): number;
    /**
     * This method resizes the ad unit to fit the available space in the passed {@link VideoAdContainer}
     *
     * @throws if ad unit is not started.
     * @throws if ad unit is finished.
     *
     * @returns Promise that resolves once the unit was resized
     */
    resize(width: number, height: number, viewmode: string): Promise<void>;
}
export {};