import type { ArrayVector2D } from "./types.js";
/**
 * Rotates a 2D point around an arbitrary axis point
 * @param {ArrayVector2D} xy - Point to rotate
 * @param {number} phi - Rotation angle in radians
 * @param {ArrayVector2D} axis - Rotation axis point (default: `[0, 0]`)
 * @returns {ArrayVector2D} The rotated vector
 */
export declare const rotate2D: (xy: ArrayVector2D, phi: number, axis?: ArrayVector2D) => ArrayVector2D;