import type { AgHeatmapSeriesOptions, AgHeatmapSeriesStyle, FontStyle, FontWeight, TextAlign, TextOrSegments, VerticalAlign } from 'ag-charts-community';
import { _ModuleSupport } from 'ag-charts-community';
import { ChartAxisDirection, type DomainWithMetadata, type Point, type SizedPoint } from 'ag-charts-core';
import { HeatmapSeriesProperties } from './heatmapSeriesProperties';
interface HeatmapNodeDatum extends _ModuleSupport.CartesianSeriesNodeDatum {
    readonly point: Readonly<SizedPoint>;
    midPoint: Readonly<Point>;
    readonly width: number;
    readonly height: number;
    readonly colorValue: any;
    style: AgHeatmapSeriesStyle;
}
interface HeatmapLabelDatum extends Point {
    datumIndex: number;
    series: _ModuleSupport.CartesianSeriesNodeDatum['series'];
    datum: any;
    itemId?: never;
    text: TextOrSegments;
    fontSize: number;
    lineHeight: number;
    fontStyle: FontStyle | undefined;
    fontFamily: string;
    fontWeight: FontWeight | undefined;
    color: string | undefined;
    textAlign: TextAlign;
    textBaseline: VerticalAlign;
    style: AgHeatmapSeriesStyle;
}
/** Context object caching expensive lookups for createNodeData(). */
interface HeatmapSeriesNodeDatumContext extends _ModuleSupport.CartesianCreateNodeDataContext<HeatmapNodeDatum> {
    readonly yKey: string;
    readonly xOffset: number;
    readonly yOffset: number;
    readonly width: number;
    readonly height: number;
    readonly textAlignFactor: number;
    readonly verticalAlignFactor: number;
    readonly yValues: any[];
    readonly colorKey: string | undefined;
    readonly colorName: string | undefined;
    readonly colorValues: number[] | undefined;
    readonly colorDomain: number[];
    readonly itemPadding: number;
    readonly labels: HeatmapLabelDatum[];
    labelIndex: number;
}
declare class HeatmapSeriesNodeEvent<TEvent extends string = _ModuleSupport.SeriesNodeEventTypes> extends _ModuleSupport.CartesianSeriesNodeEvent<TEvent> {
    readonly colorKey?: string;
    constructor(type: TEvent, nativeEvent: Event, datum: HeatmapNodeDatum, series: HeatmapSeries);
}
/**
 * Consolidated type interface for HeatmapSeries.
 * Defines all type parameters in one place for the series.
 */
interface HeatmapSeriesTypes extends _ModuleSupport.CartesianSeriesTypes {
    readonly node: _ModuleSupport.Rect;
    readonly options: AgHeatmapSeriesOptions;
    readonly properties: HeatmapSeriesProperties;
    readonly datum: HeatmapNodeDatum;
    readonly label: HeatmapLabelDatum;
    readonly context: _ModuleSupport.CartesianSeriesNodeDataContext<HeatmapNodeDatum, HeatmapLabelDatum>;
    readonly stackContext: never;
    readonly createNodeDataContext: HeatmapSeriesNodeDatumContext;
}
export declare class HeatmapSeries extends _ModuleSupport.CartesianSeries<HeatmapSeriesTypes> {
    static readonly className = "HeatmapSeries";
    static readonly type: "heatmap";
    properties: HeatmapSeriesProperties;
    protected readonly NodeEvent: typeof HeatmapSeriesNodeEvent;
    readonly colorScale: _ModuleSupport.ColorScale;
    constructor(moduleCtx: _ModuleSupport.ModuleContext);
    processData(dataController: _ModuleSupport.DataController): Promise<void>;
    private isColorScaleValid;
    xCoordinateRange(xValue: any, pixelSize: number): [number, number];
    yCoordinateRange(yValues: any[], pixelSize: number): [number, number];
    getSeriesDomain(direction: ChartAxisDirection): DomainWithMetadata<any>;
    getSeriesRange(): [number, number];
    /**
     * Template method hook: Validates preconditions for createNodeData.
     * Overrides base to add heatmap-specific category axis validation.
     */
    protected validateCreateNodeDataPreconditions(): {
        xAxis: _ModuleSupport.ChartAxis;
        yAxis: _ModuleSupport.ChartAxis;
    } | undefined;
    /**
     * Template method hook: Iterates over data and creates/updates node datums.
     */
    protected populateNodeData(ctx: HeatmapSeriesNodeDatumContext): void;
    /**
     * Template method hook: Creates the result object shell.
     */
    protected initializeResult(ctx: HeatmapSeriesNodeDatumContext): _ModuleSupport.CartesianSeriesNodeDataContext<HeatmapNodeDatum, HeatmapLabelDatum>;
    /**
     * Template method hook: Creates the shared context for datum creation.
     * Caches expensive lookups and computations that are constant across all datums.
     */
    protected createNodeDatumContext(xAxis: _ModuleSupport.ChartAxis, yAxis: _ModuleSupport.ChartAxis): HeatmapSeriesNodeDatumContext | undefined;
    /**
     * Creates a skeleton HeatmapNodeDatum with minimal required fields.
     * The node will be populated by updateNodeDatum.
     */
    private createSkeletonNodeDatum;
    /**
     * Updates an existing HeatmapNodeDatum in-place.
     */
    private updateNodeDatum;
    /**
     * Creates a HeatmapNodeDatum for a single data point.
     * Returns undefined for invalid data points (e.g., null/undefined keys when not allowed).
     */
    private createNodeDatum;
    private createLabelDatum;
    protected nodeFactory(): _ModuleSupport.Rect<any>;
    update(params: {
        seriesRect?: _ModuleSupport.BBox;
    }): void;
    protected updateDatumSelection(opts: {
        nodeData: HeatmapNodeDatum[];
        datumSelection: _ModuleSupport.Selection<_ModuleSupport.Rect, HeatmapNodeDatum>;
    }): _ModuleSupport.Selection<_ModuleSupport.Rect<any>, HeatmapNodeDatum>;
    protected getItemStyle({ datumIndex, datum, colorValue }: Partial<HeatmapNodeDatum>, isHighlight: boolean, highlightState?: _ModuleSupport.HighlightState): Partial<AgHeatmapSeriesOptions<any, unknown> & {
        fill: import("ag-charts-community").AgColorType;
        fillOpacity: number;
        stroke: string;
        strokeWidth: number;
        strokeOpacity: number;
        lineDash: number[];
        lineDashOffset: number;
        opacity: number;
    }> & {
        fill: string;
        fillOpacity: number;
        stroke: string;
        strokeWidth: number;
        strokeOpacity: number;
        opacity: number;
    };
    private makeItemStylerParams;
    protected updateDatumStyles({ datumSelection, isHighlight, }: {
        datumSelection: _ModuleSupport.Selection<_ModuleSupport.Rect, HeatmapNodeDatum>;
        isHighlight: boolean;
    }): void;
    protected updateDatumNodes({ datumSelection, }: {
        datumSelection: _ModuleSupport.Selection<_ModuleSupport.Rect, HeatmapNodeDatum>;
        isHighlight: boolean;
    }): void;
    protected updateLabelSelection(opts: {
        labelData: HeatmapLabelDatum[];
        labelSelection: _ModuleSupport.Selection<_ModuleSupport.Text, HeatmapLabelDatum>;
    }): _ModuleSupport.Selection<_ModuleSupport.Text<any>, HeatmapLabelDatum>;
    protected updateLabelNodes(opts: {
        labelSelection: _ModuleSupport.Selection<_ModuleSupport.Text, HeatmapLabelDatum>;
        isHighlight?: boolean;
    }): void;
    getTooltipContent(datumIndex: number): _ModuleSupport.TooltipContent | undefined;
    getLegendData(legendType: _ModuleSupport.ChartLegendType): _ModuleSupport.GradientLegendDatum[];
    protected isLabelEnabled(): boolean;
    getBandScalePadding(): {
        inner: number;
        outer: number;
    };
    protected computeFocusBounds({ datumIndex }: _ModuleSupport.PickFocusInputs): _ModuleSupport.BBox | undefined;
    protected initQuadTree(quadtree: _ModuleSupport.QuadtreeNearest<HeatmapNodeDatum>): void;
    protected pickNodesExactShape(point: Point): _ModuleSupport.SeriesNodeDatum<_ModuleSupport.DatumIndexType>[];
    protected pickNodeClosestDatum(point: Point): _ModuleSupport.SeriesNodePickMatch | undefined;
    protected hasItemStylers(): boolean;
}
export {};
