/**
* Rotates the given matrix (array of arrays).
*
* Based on the routine from {@link http://jsfiddle.net/MrPolywhirl/NH42z/}.
*
* @method
* @param {Array<any[]>} matrix - The array to rotate; this matrix _may_ be altered.
* @param {number|string} direction - The amount to rotate: the rotation in degrees (90, -90, 270, -270, 180) or a string command ('rotateLeft', 'rotateRight' or 'rotate180').
* @return {Array<any[]>} The rotated matrix. The source matrix should be discarded for the returned matrix.
*/
export default function (matrix: any, direction: any): any;