import { CanvasContext } from "@tarojs/taro";
export default class WxCanvas {
    private ctx;
    private chart;
    private canvasNode;
    private event;
    constructor(ctx: CanvasContext, isNew: boolean, canvasNode?: any);
    getContext(contextType: any): CanvasContext | undefined;
    setChart(chart: any): void;
    attachEvent(): void;
    addEventListener(): void;
    removeEventListener(): void;
    detachEvent(): void;
    _initCanvas(zrender: any, ctx: any): void;
    _initStyle(ctx: any): void;
    _initEvent(): void;
    set width(w: any);
    set height(h: any);
    get width(): any;
    get height(): any;
}