/**
 * Bool.ts
 *
 * @package  vrkd/src/event
 * @author  Fernando Salazar
 */
import Abstract from './Abstract';
/**
 * Event handle
 */
export type Handle = () => boolean;
/**
 * Boolean callback
 */
export declare class BoolEvent extends Abstract<Handle> {
    /**
     * Trigger handle
     */
    trigger(): boolean;
}