import NodeRender from "./NodeRender";
export default class CanvasNodeRender extends NodeRender {
    protected canvas: HTMLCanvasElement;
    protected context: CanvasRenderingContext2D;
    protected overlay: HTMLElement;
    protected cache: any;
    protected onMouseWheel(event: WheelEvent): void;
    protected onMouseMove(event: MouseEvent): void;
    protected onMouseLeave(event: any): void;
    protected onMouseDown(event: any): void;
    protected onMouseUp(event: any): void;
    protected showOverlay(index: number): any;
    initialize(container: HTMLElement, accept: Function): void;
    resize(): void;
    reset(): void;
    dataChange(): void;
    dispose(): void;
    render(index?: number): void;
}