import { ArcLine as ArcLine2d } from '@wisemapping/web2d';
import Topic from '../Topic';
declare class ArcLine extends ArcLine2d {
    private _targetTopic;
    private _sourceTopic;
    constructor(sourceTopic: Topic, targetTopic: Topic);
    setFrom(x: number, y: number): void;
}
export default ArcLine;
