/**
 * This class exists to facilitate the test migration from stencil to lit.
 * It mimics the API that stencil provided to test events.
 */
export declare class EventSpy<T extends Event> {
    private _event;
    private readonly _target;
    private readonly _options;
    get count(): number;
    private _count;
    get events(): T[];
    private _events;
    get firstEvent(): T | null;
    get lastEvent(): T | null;
    private _promiseEventMap;
    constructor(_event: string, _target?: Node | null, _options?: AddEventListenerOptions | null);
    calledOnce(timeout?: number): Promise<T>;
    calledTimes(count: number, timeout?: number): Promise<T>;
    private _wrapPromiseWithTimeout;
    private _listenForEvent;
}
//# sourceMappingURL=event-spy.d.ts.map