import { Point, Position } from '../types/common';
export declare function points2Path(points: Point[], isInCircle: boolean): any[];
/**
 * @ignore
 * 计算光滑的贝塞尔曲线
 */
export declare const smoothBezier: (points: Position[], smooth: number, isLoop: boolean, constraint: Position[]) => Position[];
/**
 * @ignore
 * 贝塞尔曲线
 */
export declare function catmullRom2bezier(crp: number[], z: boolean, constraint: Position[]): any[];
/**
 * @ignore
 * 根据关键点获取限定了范围的平滑线
 */
export declare function getSplinePath(points: Point[], isInCircle?: boolean, constaint?: Position[]): any[];