export declare const createMozContext: (id: string, targetEl: HTMLElement) => CanvasRenderingContext2D | null;
export declare const createDataUrlContext: (id: string, targetEl: HTMLElement) => CanvasRenderingContext2D | null;
export declare const createWebkitContext: (id: string, targetEl: HTMLElement, width: number, height: number) => CanvasRenderingContext2D | null;
export declare const appendCanvas: (parent: HTMLElement, canvas: HTMLCanvasElement) => void;
export declare const handleCanvasResize: (id: string, wrapperEl: HTMLElement, ctx: CanvasRenderingContext2D | null, width: number, height: number) => CanvasRenderingContext2D | null;