import type { CommonChartProps, LegendPosition } from '../props/common';
import type { ChartTooltipOption } from '../tooltip';
import type { PieItemTooltipParams } from './tooltip/pie-item-tooltip.types';
import type { ReactNode } from 'react';
/** Emitted when the user taps/clicks a pie slice. */
export interface PieChartSelectEvent {
    seriesIndex: number;
    dataIndex: number;
    name: string;
    value: number;
    /** Series/ring name when applicable (concentric pies). */
    seriesName?: string;
    percent?: number;
}
/**
 * Single slice data for pie/donut charts.
 */
export interface PieDataItem {
    /** Display name for the slice */
    name: string;
    /** Numeric value (determines slice size) */
    value: number;
    /** Optional per-item color override */
    itemStyle?: {
        color?: string;
    };
}
/**
 * Data for one ring in a concentric (multi-ring) pie.
 * Each ring has its own radius range and slice data.
 */
export interface PieRingData {
    /** Optional name for the ring (e.g. for legend). */
    name?: string;
    /** Inner and outer radius as [inner, outer], e.g. ['0%', '35%'] or ['45%', '60%']. */
    radius: (number | string)[];
    /** Slice data for this ring. */
    data: PieDataItem[];
}
/**
 * Chart data: single pie (array of slices) or concentric (array of rings).
 */
export type PieChartData = PieDataItem[] | PieRingData[];
/**
 * Type guard: true if data is concentric (array of rings).
 */
export declare function isConcentricPieData(data: PieChartData): data is PieRingData[];
/**
 * Props for PieChart.
 * Extends common chart props (width, height, theme, colors).
 */
export interface PieChartProps extends CommonChartProps {
    /**
     * Chart data: single pie (array of { name, value }) or concentric (array of { name?, radius, data }).
     */
    data: PieChartData;
    /**
     * Radius of the pie. Number (e.g. 100), string (e.g. '60%'), or [inner, outer] for donut.
     * @default '75%'
     */
    radius?: number | string | (number | string)[];
    /**
     * Whether to show the legend for slices.
     * @default true
     */
    showLegend?: boolean;
    /**
     * Legend position. Top and bottom use a horizontal legend that wraps; left and right use a vertical legend.
     * @default 'bottom'
     */
    legendPosition?: LegendPosition;
    /**
     * Whether to show slice labels (name/value on the chart).
     * @default true
     */
    showLabel?: boolean;
    /**
     * Label position: 'outside' | 'inside' | 'center'.
     * @default 'outside'
     */
    labelPosition?: 'outside' | 'inside' | 'center';
    /**
     * Whether to show label lines (connectors from slice to label).
     * @default true when labelPosition is 'outside'
     */
    showLabelLine?: boolean;
    /**
     * Whether to emphasize (scale/highlight) the hovered slice.
     * @default true
     */
    showHighlighter?: boolean;
    /**
     * Built-in item tooltip preset when `renderTooltip` is omitted. Use `none` to hide the overlay.
     * When `renderTooltip` is set, it replaces the preset body. Overlay hidden only when `tooltip` is `none` and `renderTooltip` is omitted.
     * @default 'card'
     */
    tooltip?: ChartTooltipOption;
    /**
     * Overrides the default React Native **item** tooltip body for pie slices (see {@link PieItemTooltipParams}).
     * Takes precedence over {@link tooltip}.
     */
    renderTooltip?: (params: PieItemTooltipParams) => ReactNode;
    /**
     * Called when the user selects (taps/clicks) a slice.
     */
    onSelect?: (event: PieChartSelectEvent) => void;
}
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