import { EChartsOption } from 'echarts';
import * as echarts from 'echarts/core';
export type EChartsInstance = echarts.ECharts;
interface SetOptionOpts {
    notMerge?: boolean;
    lazyUpdate?: boolean;
    replaceMerge?: string[];
}
interface UseEchartsResult {
    chartRef: React.RefObject<HTMLDivElement | null>;
    setOption: (option: EChartsOption, opts?: SetOptionOpts) => void;
    resize: () => void;
    dispose: () => void;
    getInstance: () => EChartsInstance | null;
    getDataURL: (opts?: {
        type?: 'png' | 'jpeg';
        pixelRatio?: number;
        backgroundColor?: string;
    }) => string | null;
    bindEvent: (eventName: string, handler: (params: unknown) => void) => () => void;
}
/**
 * ECharts 实例管理 Hook
 */
export declare function useEcharts(): UseEchartsResult;
export {};