import { LitElement } from 'lit';
export interface HeatmapDataPoint {
    x: number;
    y: number;
    value: number;
    label?: string;
    color?: string;
}
export interface HeatmapCell {
    row: number;
    col: number;
    value: number;
    label?: string;
    color?: string;
}
/**
 * Heatmap component for grid-based data visualization
 *
 * @element ui-heatmap
 *
 * @prop {HeatmapCell[]} data - Heatmap data points
 * @prop {number} rows - Number of rows
 * @prop {number} cols - Number of columns
 * @prop {string[]} rowLabels - Row labels
 * @prop {string[]} colLabels - Column labels
 * @prop {string} colorScale - Color scale (blue, green, red, purple, gradient)
 * @prop {number} cellSize - Cell size in pixels
 * @prop {number} cellGap - Gap between cells
 * @prop {boolean} showValues - Show values in cells
 * @prop {boolean} showTooltip - Show tooltip on hover
 * @prop {boolean} showLabels - Show row/column labels
 * @prop {number} min - Minimum value for color scale
 * @prop {number} max - Maximum value for color scale
 * @prop {boolean} animated - Enable animations
 * @prop {string} emptyColor - Color for empty cells
 *
 * @fires cell-click - Fired when a cell is clicked
 * @fires cell-hover - Fired when a cell is hovered
 *
 * @csspart container - The heatmap container
 * @csspart cell - Individual cells
 * @csspart label - Row/column labels
 * @csspart tooltip - Tooltip element
 */
export declare class Heatmap extends LitElement {
    data: HeatmapCell[];
    rows: number;
    cols: number;
    rowLabels: string[];
    colLabels: string[];
    colorScale: 'blue' | 'green' | 'red' | 'purple' | 'gradient';
    cellSize: number;
    cellGap: number;
    showValues: boolean;
    showTooltip: boolean;
    showLabels: boolean;
    min?: number;
    max?: number;
    animated: boolean;
    emptyColor: string;
    ariaLabel: string;
    private hoveredCell;
    private tooltipPosition;
    private focusedCell;
    private heatmapId;
    private descriptionId;
    static styles: import("lit").CSSResult;
    private getColorScales;
    private getMinMax;
    private getColorForValue;
    private getCellData;
    private handleCellClick;
    private handleCellHover;
    private handleCellLeave;
    private renderCell;
    private renderTooltip;
    private renderLegend;
    render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'ui-heatmap': Heatmap;
    }
}
//# sourceMappingURL=heatmap.d.ts.map