/**
 * tipHtml 和 tipHtmlStyle 为旧属性，后续逐步废弃
 */
declare function tooltip(iChartOption: any, chartName: any): {
    trigger: string;
    confine: boolean;
    borderRadius: any;
    axisPointer: {
        z: number;
        type: string;
        lineStyle: {
            type: any;
            width: any;
            color: any;
        };
        shadowStyle: {
            color: any;
        };
    };
    textStyle: {
        color: any;
        fontSize: any;
    };
    borderWidth: any;
    padding: any;
    backgroundColor: any;
    formatter: undefined;
    extraCssText: string;
};
export default tooltip;