import { Vector2 } from '../../Math';
import { BezierCurve } from './BezierCurve';
import { Curve } from './Curve';
export declare class BezierCurveGroup extends Curve {
    curves: BezierCurve[];
    startPosition: Vector2;
    endPosition: Vector2;
    length: number;
    constructor(curves: BezierCurve[]);
    private _initLength;
    getPositionAtDistance(distance: number): Vector2;
    getPositionAtDelta(delta: number): Vector2;
}