export function add(v1: any, v2: any): {
    x: any;
    y: any;
};
export function sub(v1: any, v2: any): {
    x: number;
    y: number;
};
export function scalarMultiply(v: any, s: any): {
    x: number;
    y: number;
};
export function sqrMagnitude(v: any): number;
export function magnitude(v: any): number;
export function distanceX(v1: any, v2: any): number;
export function distanceY(v1: any, v2: any): number;
export function sqrDistance(v1: any, v2: any): number;
export function distance(v1: any, v2: any): number;
export function determinant(v1: any, v2: any): number;
export function dot(v1: any, v2: any): number;
export function projectOnto(v1: any, v2: any): {
    x: number;
    y: number;
};
export function rotate(v: any, radians: any, origin?: {
    x: number;
    y: number;
}): {
    x: any;
    y: any;
};
export function unit(v: any): {
    x: number;
    y: number;
};
export function cross(u: any, v: any, a: any): number;