import { VerificationEventType, EventData, BaseEventData } from '../types/event-types';
export interface EventListener<T extends EventData = EventData> {
    (...args: any[]): void | Promise<void>;
}
export interface EventSubscription {
    unsubscribe(): void;
}
export declare class VerificationEventEmitter {
    private readonly emitter;
    private readonly eventHistory;
    private readonly maxHistorySize;
    private isRecording;
    constructor(maxHistorySize?: number);
    emit<T extends EventData = EventData>(eventType: VerificationEventType, data: Omit<T, keyof BaseEventData> & Partial<BaseEventData>): void;
    on<T extends EventData = EventData>(eventType: VerificationEventType | '*', listener: EventListener<T>): EventSubscription;
    once<T extends EventData = EventData>(eventType: VerificationEventType, listener: EventListener<T>): EventSubscription;
    off<T extends EventData = EventData>(eventType: VerificationEventType | '*', listener: EventListener<T>): void;
    removeAllListeners(eventType?: VerificationEventType): void;
    listenerCount(eventType: VerificationEventType): number;
    startRecording(): void;
    stopRecording(): void;
    getHistory(eventType?: VerificationEventType): EventData[];
    clearHistory(eventType?: VerificationEventType): void;
    getStatistics(): {
        totalEvents: number;
        eventsByType: Record<string, number>;
        oldestEvent?: Date;
        newestEvent?: Date;
    };
    private enrichEventData;
    private addToHistory;
    private generateEventId;
}
export declare const globalEventEmitter: VerificationEventEmitter;
//# sourceMappingURL=event-emitter.d.ts.map