import type React from 'react';
interface EventHandlerArgsType<T, PayloadT> {
    type: T;
    payload: PayloadT;
}
type MediatorType = [any, any?];
export declare const useMediator: <T extends MediatorType>(eventType: T[0], eventHandler: (event: EventHandlerArgsType<T[0], T[1]>) => unknown, ref: React.RefObject<any>) => void;
export {};