/**
 * @author       Richard Davey <rich@photonstorm.com>
 * @copyright    2018 Photon Storm Ltd.
 * @license      {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
 */
/**
 * Calculates the positive difference of two given numbers.
 *
 * @function Phaser.Math.Difference
 * @since 3.0.0
 *
 * @param {number} a - The first number in the calculation.
 * @param {number} b - The second number in the calculation.
 *
 * @return {number} The positive difference of the two given numbers.
 */
declare var Difference: (a: any, b: any) => number;