/**
 * Creates OffscreenCanvas of given size.
 *
 * @param width
 * @param height
 */
export declare function makeCanvas(width: number, height: number): OffscreenCanvas;
/**
 * Creates OffscreenCanvas of given size.
 *
 * @param width
 * @param height
 * @param onscreen
 */
export declare function makeCanvas(width: number, height: number, onscreen: false): OffscreenCanvas;
/**
 * Creates HTMLCanvasElement of given size.
 *
 * @param width
 * @param height
 * @param onscreen
 */
export declare function makeCanvas(width: number, height: number, onscreen: true): HTMLCanvasElement;
/**
 * Creates OffscreenCanvas or HTMLCanvasElement.
 *
 * @param width
 * @param height
 * @param onscreen
 */
export declare function makeCanvas(width: number, height: number, onscreen: boolean): OffscreenCanvas | HTMLCanvasElement;