/**
 * Compares two values of any type and returns true if they are the same.
 *
 * @param   {any} a
 * @param   {any} b
 * @param   {number} [depth=1] When provided two collections, this value
 * controls how deeply they should be compared. The default is 1 level deep.
 *
 * @returns {boolean}
 */
export default function equal(a: any, b: any, depth?: number): boolean;