export declare class BitMatrix { static createEmpty(width: number, height: number): BitMatrix; width: number; height: number; private data; constructor(data: Uint8ClampedArray, width: number); get(x: number, y: number): boolean; set(x: number, y: number, v: boolean): void; setRegion(left: number, top: number, width: number, height: number, v: boolean): void; }