declare function merge(target: any, task: any): any;
declare function mergeSeries(iChartOption: any, baseOption: any): void;
declare function mergeVisualMap(iChartOption: any, baseOption: any): void;
declare function mergeExtend(iChartOption: any, baseOption: any): void;
export { mergeSeries, mergeExtend, mergeVisualMap };
export default merge;