/**
 * @author       Richard Davey <rich@photonstorm.com>
 * @copyright    2018 Photon Storm Ltd.
 * @license      {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
 */
declare var Class: any;
declare var GetFastValue: any;
/**
 * @typedef {object} GravityWellConfig
 *
 * @property {number} [x=0] - The x coordinate of the Gravity Well, in world space.
 * @property {number} [y=0] - The y coordinate of the Gravity Well, in world space.
 * @property {number} [power=0] - The power of the Gravity Well.
 * @property {number} [epsilon=100] - [description]
 * @property {number} [gravity=50] - The gravitational force of this Gravity Well.
 */
/**
 * @classdesc
 * [description]
 *
 * @class GravityWell
 * @memberOf Phaser.GameObjects.Particles
 * @constructor
 * @since 3.0.0
 *
 * @param {(number|GravityWellConfig)} [x=0] - The x coordinate of the Gravity Well, in world space.
 * @param {number} [y=0] - The y coordinate of the Gravity Well, in world space.
 * @param {number} [power=0] - The power of the Gravity Well.
 * @param {number} [epsilon=100] - [description]
 * @param {number} [gravity=50] - The gravitational force of this Gravity Well.
 */
declare var GravityWell: any;