import type Highcharts from "highcharts";
export type LineChartPoint = Highcharts.Point & {
    tooltip?: string;
    label?: string;
};
interface LineChartTooltipOptions {
    date: string;
    points: LineChartPoint[];
    seriesLength: boolean;
}
export declare function lineChartTooltipHtml({ date, points, seriesLength }: LineChartTooltipOptions): string;
export {};
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