/**
 * This class exists to facilitate the E2E test migration from stencil to lit.
 * It mimics the API that stencil provided to test events.
 *
 * TODO: Document me
 */
export declare class EventSpy<T extends Event> {
    private _event;
    private readonly _target;
    private _count;
    get count(): number;
    private _events;
    get events(): T[];
    get firstEvent(): T | null;
    get lastEvent(): T | null;
    constructor(_event: string, _target?: Node | null);
    private _listenForEvent;
}
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