import { Ref } from 'vue';
export declare function useDrainageCurves(chartRef: Ref<HTMLElement>): {
    setOptions: (options: import("echarts").EChartsOption, clear?: boolean) => void;
    echarts: typeof import("echarts/core");
    getInstance: () => import("echarts/core").ECharts | null;
    container: Ref<HTMLElement, HTMLElement>;
    assemble: (value: any, options: any) => any;
    transform: (data: any) => {};
    createOptions: (data: any) => {};
    toggleTable: (visible?: boolean) => void;
    toggleStatistic: (visible?: boolean) => void;
};