import Event from '../Event.js';
import type IPopStateEventInit from './IPopStateEventInit.js';
/**
 *
 */
export default class PopStateEvent extends Event {
    readonly state: object | null;
    readonly hasUAVisualTransition: boolean;
    /**
     * Constructor.
     *
     * @param type Event type.
     * @param [eventInit] Event init.
     */
    constructor(type: string, eventInit?: IPopStateEventInit | null);
}
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