import { Point } from './Point';
export declare type Vec4 = {
    readonly x: number;
    readonly y: number;
    readonly z: number;
    readonly w: number;
};
export declare function createVec4_2D(x: number, y: number): Vec4;
export declare function plusVec4({ x: x0, y: y0, z: z0, w: w0 }: Vec4, { x: x1, y: y1, z: z1, w: w1 }: Vec4): Vec4;
export declare function minusVec4({ x: x0, y: y0, z: z0, w: w0 }: Vec4, { x: x1, y: y1, z: z1, w: w1 }: Vec4): Vec4;
export declare function toPoint({ x, y }: Vec4): Point;