import * as React from 'react';
import { Layout } from 'plotly.js';
import { PlotWrapper } from '../common';
import { ILineChartProps, ILineChartState } from './line-chart.types';
/**
 * Line chart with enhanced state diffing
 */
export declare class LineChart extends React.PureComponent<ILineChartProps, ILineChartState> {
    state: {
        revision: number;
        dataset: any[];
        dataHash: string;
        useDarkTheme: boolean;
        chartLayout: any;
    };
    static defaultProps: {
        heightPx: number;
        xAxisTitle: string;
        yAxisTitle: string;
        panelWrapTitle: string;
        forceCategoryX: boolean;
        useDarkTheme: boolean;
    };
    chartLayout: Partial<Layout>;
    childRef: React.RefObject<PlotWrapper>;
    static getDerivedStateFromProps(newProps: ILineChartProps, prevState: ILineChartState): ILineChartState | {
        dataset: import("../common").AppPlotData[];
        revision: number;
        dataHash: string;
        useDarkTheme: boolean;
        chartLayout: {
            autosize: boolean;
            margin: {
                r: number;
                b: number;
                t: number;
            };
            paper_bgcolor: string;
            plot_bgcolor: string;
            showlegend: boolean;
            legend: {
                orientation: string;
                font: {
                    color: string;
                };
            };
            xaxis: {
                showline: boolean;
                showgrid: boolean;
                title: string;
                automargin: boolean;
                titlefont: {
                    size: number;
                    color: string;
                };
                color: string;
                tickcolor: string;
                linecolor: string;
                zerolinecolor: string;
                linewidth: number;
                nticks: number;
                ticktext: string[];
                type: string;
            };
            yaxis: {
                showline: boolean;
                showgrid: boolean;
                title: string;
                automargin: boolean;
                fixedrange: boolean;
                /**
                 * Export a given chart as an image
                 */
                titlefont: {
                    size: number;
                    color: string;
                };
                color: string;
                tickcolor: string;
                linecolor: string;
                zerolinecolor: string;
            };
        };
    };
    constructor(p: ILineChartProps);
    componentDidMount(): void;
    componentWillUnmount(): void;
    /**
     * Force the plot to purge
     */
    forcePlotPurge: () => void;
    /**
     * Export a given chart as an image
     */
    exportChartAsImage: () => void;
    render(): JSX.Element;
}