export type ChartSeries = {
    data: [number, number][];
    strokeColor?: string;
};
export declare function drawChart(ctx: CanvasRenderingContext2D, seriesList: ChartSeries[], opts: {
    width: number;
    height: number;
    min?: number;
    max?: number;
    showYAxis?: boolean;
    yTicks?: number;
    backgroundColor?: string;
    cursorX?: number | null;
    maxTimeDelta?: number | null;
    dateFormat?: (ts: number) => string;
}): void;
export declare function createChartElement(seriesList: ChartSeries[], opts: {
    width?: number;
    height?: number;
    min?: number;
    max?: number;
    showYAxis?: boolean;
    yTicks?: number;
    backgroundColor?: string;
    maxTimeDelta?: number | null;
    dateFormat?: (ts: number) => string;
}): {
    element: HTMLDivElement;
    setSeries(series: ChartSeries[]): void;
    setOptions(o: Partial<typeof opts>): void;
    destroy(): void;
};