export type VectorX = {
    copy(v: VectorX): VectorX;
    length(): number;
    add(vec: VectorX): VectorX;
    sub(vec: VectorX): VectorX;
    multiply(vec: VectorX): VectorX;
    multiplyScalar(scalar: number): VectorX;
    clone(): VectorX;
};
export declare class Vector1 implements VectorX {
    x: number;
    constructor(x?: number);
    length(): number;
    set(x: number): void;
    multiplyScalar(scalar: number): Vector1;
    divideScalar(scalar: number): Vector1;
    add(vec: Vector1): Vector1;
    sub(vec: Vector1): Vector1;
    divide(vec: Vector1): Vector1;
    multiply(vec: Vector1): Vector1;
    copy(vec: Vector1): Vector1;
    clone(): Vector1;
}