declare type SliceRange = [number, number];
declare class Array2D<T> {
    private array;
    private width;
    private height;
    constructor(array: Array<Array<T>>);
    private updateWidth;
    private updateHeight;
    getHeight(): number;
    getWidth(): number;
    get(x: number, y: number): T;
    set(x: number, y: number, value: T): void;
    slice([xMin, xMax]: SliceRange, [yMin, yMax]: SliceRange): Array2D<T>;
    forEach(callback: (item: T, x: number, y: number) => void): void;
}
export default Array2D;