import { type AgTreemapHighlightState, type AgTreemapSeriesOptions, type AgTreemapSeriesStyle, type FontStyle, type FontWeight, type TextAlign, type VerticalAlign, _ModuleSupport } from 'ag-charts-community';
import { type NormalisedTextOrSegments, type Point } from 'ag-charts-core';
import { HierarchyDataSet } from '../../charts/hierarchyDataSet';
import { TreemapSeriesProperties } from './treemapSeriesProperties';
declare class TreemapNode extends _ModuleSupport.HierarchyNode<TreemapNode> {
    labelValue: string | undefined;
    secondaryLabelValue: string | undefined;
    labelText: NormalisedTextOrSegments | undefined;
    secondaryLabelText: NormalisedTextOrSegments | undefined;
    label: LabelLayout | undefined;
    secondaryLabel: LabelLayout | undefined;
    bbox: _ModuleSupport.BBox | undefined;
    padding: Padding | undefined;
}
interface Padding {
    top: number;
    right: number;
    bottom: number;
    left: number;
}
interface LabelLayout {
    text: NormalisedTextOrSegments;
    fontSize: number;
    lineHeight: number;
    fontStyle: FontStyle;
    fontFamily: string;
    fontWeight: FontWeight;
    color: string;
    textAlign: TextAlign;
    verticalAlign: VerticalAlign;
    x: number;
    y: number;
}
type ItemStyle = Pick<AgTreemapSeriesStyle, 'fill' | 'stroke'> & Omit<Required<AgTreemapSeriesStyle>, 'fill' | 'stroke'>;
export declare class TreemapSeries extends _ModuleSupport.HierarchySeries<TreemapNode, _ModuleSupport.Rect<TreemapNode>, AgTreemapSeriesOptions, TreemapSeriesProperties> {
    static readonly className = "TreemapSeries";
    static readonly type: "treemap";
    NodeClass: typeof TreemapNode;
    properties: TreemapSeriesProperties;
    private readonly rectGroup;
    protected readonly datumSelection: _ModuleSupport.Selection<TreemapNode, _ModuleSupport.Rect<TreemapNode>>;
    private readonly labelSelection;
    private readonly highlightSelection;
    protected _data?: HierarchyDataSet<any>;
    protected _chartData?: HierarchyDataSet<any>;
    get data(): HierarchyDataSet<any> | undefined;
    private groupTitleHeight;
    private getNodePadding;
    private sortChildren;
    /**
     * Squarified Treemap algorithm
     * https://www.win.tue.nl/~vanwijk/stm.pdf
     */
    private squarify;
    private applyGap;
    createNodeData(): undefined;
    protected getItemStyle(nodeDatum: Pick<TreemapNode, 'path' | 'datumIndex' | 'datum' | 'depth' | 'colorValue'>, isLeaf: boolean, isHighlight: boolean): Required<AgTreemapSeriesStyle> & {
        opacity: number;
    } & Partial<ItemStyle> & {
        opacity?: number;
    } & Partial<object & {
        fill: import("ag-charts-core").NormalisedColorType;
        fillOpacity: number;
        stroke: string;
        strokeWidth: number;
        strokeOpacity: number;
        lineDash: number[];
        lineDashOffset: number;
        opacity: number;
    }>;
    private makeItemStylerParams;
    updateSelections(): void;
    protected getActiveHighlightNode(): TreemapNode | undefined;
    updateNodes(): void;
    private getGroupHighlightState;
    private getTileHighlightStyle;
    private getGroupHighlightStyle;
    isSelectionEnabled(): boolean;
    isDatumSelectable(datumIndex: _ModuleSupport.DatumIndex): boolean;
    getTileSelectionStyle(datumIndex?: _ModuleSupport.DatumIndex): Partial<object & {
        fill: import("ag-charts-core").NormalisedColorType;
        fillOpacity: number;
        stroke: string;
        strokeWidth: number;
        strokeOpacity: number;
        lineDash: number[];
        lineDashOffset: number;
        opacity: number;
    }> | undefined;
    getGroupSelectionStyle(datumIndex?: _ModuleSupport.DatumIndex): Partial<object & {
        fill: import("ag-charts-core").NormalisedColorType;
        fillOpacity: number;
        stroke: string;
        strokeWidth: number;
        strokeOpacity: number;
        lineDash: number[];
        lineDashOffset: number;
        opacity: number;
    }> | undefined;
    getHighlightStateString(_datum: _ModuleSupport.HighlightNodeDatum | undefined, isHighlight?: boolean, datumIndex?: _ModuleSupport.DatumIndex): AgTreemapHighlightState;
    private isDescendantDatumIndex;
    pickNodesExactShape(point: Point): TreemapNode[];
    protected pickNodeClosestDatum(point: Point): _ModuleSupport.SeriesNodePickMatch | undefined;
    getTooltipContent(datumIndex: _ModuleSupport.DatumIndex): _ModuleSupport.TooltipContent | undefined;
    protected computeFocusBounds(node: _ModuleSupport.Rect): _ModuleSupport.BBox | undefined;
    protected hasItemStylers(): boolean;
}
export {};