import type { ArrayVector4D } from "./types.js";
/**
 * Negates a 4D vector.
 * @param {ArrayVector4D} xyzw - Vector as `[x, y, z, w]`
 * @returns {ArrayVector4D} The negated vector
 */
export declare const negate4D: (xyzw: ArrayVector4D) => ArrayVector4D;