/**
* Centers this Rectangle so that the center coordinates match the given x and y values.
*
* @method Phaser.Rectangle#centerOn
* @param {number} x - The x coordinate to place the center of the Rectangle at.
* @param {number} y - The y coordinate to place the center of the Rectangle at.
* @return {Phaser.Rectangle} This Rectangle object
*/
export default function (rect: any, x: any, y: any): any;