type Point = number[]; declare class Vector { static sub(v1: Point, v2: Point): number[]; static add(v1: Point, v2: Point): number[]; static div(v: Point, num: number): number[]; static mul(v: Point, num: number): number[]; static toFixed(v: Point): number[]; static dist(v1: Point, v2: Point): number; static vdist(v1: Point, v2: Point): number; static hdist(v1: Point, v2: Point): number; static isEqual(v1: Point, v2: Point): boolean; } export { Point, Vector };