/**
 * @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 Circle: any;
/**
 * Creates a new Circle instance based on the values contained in the given source.
 *
 * @function Phaser.Geom.Circle.Clone
 * @since 3.0.0
 *
 * @param {(Phaser.Geom.Circle|object)} source - The Circle to be cloned. Can be an instance of a Circle or a circle-like object, with x, y and radius properties.
 *
 * @return {Phaser.Geom.Circle} A clone of the source Circle.
 */
declare var Clone: (source: any) => any;