import type { CommonChartProps } from '../props/common';
import type { ChartTooltipOption } from '../tooltip';
import type { ReactNode } from 'react';
import type { HeatmapItemTooltipParams } from './tooltip/heatmap-item-tooltip.types';
/** Single heatmap cell: `[xIndex, yIndex, value]` using indices into {@link HeatmapChartProps.xAxisData} / `yAxisData`. */
export type HeatmapDataPoint = [number, number, number];
/** Emitted when the user taps/clicks a heatmap cell. */
export interface HeatmapChartSelectEvent {
    xIndex: number;
    yIndex: number;
    xLabel: string;
    yLabel: string;
    value: number;
}
/**
 * Props for HeatmapChart.
 * common -> heatmap (matrix chart with category axes)
 */
export interface HeatmapChartProps extends CommonChartProps {
    /** Category labels for the X axis (columns). */
    xAxisData: string[];
    /** Category labels for the Y axis (rows). */
    yAxisData: string[];
    /** Cell values as `[xIndex, yIndex, value]` tuples. */
    data: HeatmapDataPoint[];
    /** When true, shows the numeric value on each cell. @default false */
    showLabel?: boolean;
    /** Whether to emphasize the hovered cell. @default true */
    showHighlighter?: boolean;
    /** Whether to show the X-axis line and category labels. @default true */
    showXAxis?: boolean;
    /** Whether to show the Y-axis line and category labels. @default true */
    showYAxis?: boolean;
    /**
     * Built-in cell tooltip preset when `renderTooltip` is omitted. Use `none` to hide the overlay.
     * @default 'card'
     */
    tooltip?: ChartTooltipOption;
    /** Overrides the default React Native item tooltip body (see {@link HeatmapItemTooltipParams}). */
    renderTooltip?: (params: HeatmapItemTooltipParams) => ReactNode;
    /** Called when the user selects (taps/clicks) a heatmap cell. */
    onSelect?: (event: HeatmapChartSelectEvent) => void;
}
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