import { Canvas, Paint, Path } from '@nativescript-community/ui-canvas';
import { Entry } from '../data/Entry';
import { LineData } from '../data/LineData';
import { LineDataSet } from '../data/LineDataSet';
import { Highlight } from '../highlight/Highlight';
import { LineDataProvider } from '../interfaces/dataprovider/LineDataProvider';
import { BaseCustomRenderer } from '../renderer/DataRenderer';
import { LineChartRenderer } from '../renderer/LineChartRenderer';
import { BarLineChartBase } from './BarLineChartBase';
import { Chart } from '@nativescript-community/ui-chart/charts/Chart';
import { Transformer } from '@nativescript-community/ui-chart/utils/Transformer';
export interface CustomRenderer extends BaseCustomRenderer {
    drawLine?: (c: Canvas, line: Path, paint: Paint, chart: Chart<any, any, any>, set: LineDataSet) => void;
    drawHighlight?: (c: Canvas, e: Highlight, set: LineDataSet, paint: Paint) => void;
    drawFill?: (c: Canvas, dataSet: LineDataSet, spline: Path, trans: Transformer, min: number, max: number, superMethod: Function) => void;
}
export declare class LineChart extends BarLineChartBase<Entry, LineDataSet, LineData> implements LineDataProvider {
    renderer: LineChartRenderer;
    protected init(): void;
    get lineData(): LineData;
    _onDetachedFromWindow(): void;
    customRenderer: CustomRenderer;
}