import { SelectionType } from '../HistogramParams.js';
import { ChartAxes, HistogramData, HistogramSVGG } from '../utils/HistogramUtils.js';
import { AbstractChart } from './AbstractChart.js';
export declare class ChartBars extends AbstractChart {
    private strippedBarsContext;
    private headBandsContext;
    plot(inputData: Array<HistogramData>): void;
    resize(histogramContainer: HTMLElement): void;
    /** Plots headbands on the top of each bar. A headband is small rectangle (that forms a band)
     * on top of each bar. Those headbands are added for styling purposes */
    protected plotHeadBand(data: Array<HistogramData>, axes: ChartAxes, barWeight?: number): void;
    /** Plots 3 rectangles behind data bars and selection brush. This rectangles are clippable in order to make a specific style for
     * - non selected parts of the chart
     * - current selected part
     * - already selected parts
     */
    protected plotBackground(): void;
    protected plotChart(data: Array<HistogramData>): void;
    protected createChartAxes(data: Array<HistogramData>): void;
    protected drawChartAxes(chartAxes: ChartAxes, leftOffset: number): void;
    protected addSelectionBrush(selectionType: SelectionType, chartAxes: ChartAxes, leftOffset: number): void;
    protected applyStyleOnSelection(): void;
    /**
     * Draws a indicator behind the hovered bucket of the histogram. This has as objective to highlight it on the histogram
     * @override For bars charts, a grey rectangle is drawn behind the bucket
     * @param data
     * @param axes
     */
    protected drawTooltipCursor(data: Array<HistogramData>, axes: ChartAxes): void;
    /**
     * @override For bars charts, removes the rectangle behind the hovered bucket of the histogram
     */
    protected clearTooltipCursor(): void;
    protected applyStyleOnHeadBand(headBandContext: HistogramSVGG): void;
    protected applyStyleOnStrippedSelectedBars(barsContext: HistogramSVGG): void;
    protected getStartPosition(data: Array<HistogramData>, index: number): number;
    protected getEndPosition(data: Array<HistogramData>, index: number): number;
    protected setTooltipXposition(xPosition: number): number;
    protected setTooltipYposition(yPosition: number): number;
    protected getAxes(): ChartAxes;
    private getHeadBandCssName;
    private createClipperContext;
}