import { fabric } from 'fabric';
declare const _default: (instance?: typeof fabric) => void;
export default _default;
declare module 'fabric' {
    namespace fabric {
        class Arrow extends Polyline {
            arrowSize: number;
            endArrow: boolean;
            startArrow: boolean;
        }
        interface IArrowOptions extends IPolylineOptions {
            arrowSize?: number;
            endArrow?: boolean;
            startArrow?: boolean;
        }
    }
}