/** @internal */
export declare class Vec2 {
    x: number;
    y: number;
    constructor(x?: number, y?: number);
    set(x: number, y: number): this;
}
/** @internal */
export declare class Vec4 {
    x: number;
    y: number;
    z: number;
    w: number;
    constructor(x?: number, y?: number, z?: number, w?: number);
    set(x: number, y: number, z: number, w: number): this;
}