export declare class EventListenerTracker {
    private listeners;
    track(target: any, event: string, handler: (...args: any[]) => any, type?: 'on' | 'once'): void;
    on(target: any, event: string, handler: (...args: any[]) => any): void;
    once(target: any, event: string, handler: (...args: any[]) => any): void;
    cleanup(): void;
    get count(): number;
}
export declare class EventCollector<T = any> {
    private emitter;
    private events;
    private listeners;
    constructor(emitter: any);
    collect(eventName: string): this;
    stop(eventName?: string): void;
    getEvents(eventName?: string): Array<{
        event: string;
        data: T;
        timestamp: number;
    }>;
    clear(): void;
    waitForEvent(eventName: string, timeout?: number): Promise<T>;
    getEventCount(eventName?: string): number;
    assertEmitted(eventName: string, expectedCount?: number): void;
    assertNotEmitted(eventName: string): void;
}
export declare function waitForEvents(target: any, events: string[], timeout?: number): Promise<any[]>;
export declare function collectEvents<T>(target: any, event: string, condition: (events: T[]) => boolean, timeout?: number): Promise<T[]>;
export declare function createEventSpy(target: any, event: string): {
    events: any[];
    clear: () => void;
};