import { MindElement, BaseData } from '../interfaces';
import { AfterDraw, Generator } from '@plait/common';
export declare class CollapseGenerator extends Generator<MindElement> implements AfterDraw {
    canDraw(element: MindElement<BaseData>): boolean;
    draw(element: MindElement<BaseData>): SVGGElement;
    afterDraw(element: MindElement): void;
    private getArrowPoints;
}