/**
 * Custom event service to dispatch an event
 */
export declare class CustomEventService {
    /**
     * Creates an instance of custom event service.
     */
    constructor();
    /**
     * Dispatch event
     * @param name Name of the event
     * @param body Event detail should be provided in body
     */
    dispatchEvent(name: string, body: any): void;
    /**
     * Subscribes event
     * @param name Name of event
     * @param handler Event handler
     */
    subscribeEvent(name: string, handler: any): void;
    /**
     * Unsubscribe event
     * @param name Event name
     * @param handlerReference Event handler reference
     */
    unsubscribeEvent(name: string, handlerReference: any): void;
}