export declare class Vector2 {
    x: number;
    y: number;
    constructor(x: number, y: number);
    static Add(v1: Vector2, v2: Vector2): Vector2;
    static Subtract(v1: Vector2, v2: Vector2): Vector2;
    static Multiply(v1: Vector2, scalar: number): Vector2;
    add(v: Vector2): void;
    subtract(v: Vector2): void;
    multiply(scalar: number): void;
    toString(): string;
}