import { Subscription, ListenerEvent, CombinedHandler } from '../../types';
export declare function EventEmitterCombined<E extends ListenerEvent<string, any>>(isActive: () => boolean): EventEmitterCombinedInstance<E>;
export type EventEmitterCombinedInstance<E extends ListenerEvent<string, any>> = {
    readonly listen: (handler: CombinedHandler<E>) => Subscription;
    readonly emit: (e: E, delayed: boolean) => void;
};