import React from 'react';
import { ChartDataPoint, PieChartDataPoint, BarChartDataPoint } from '../types';
interface ChartAccessibilityProps {
    title?: string;
    description?: string;
    data: ChartDataPoint[] | PieChartDataPoint[] | BarChartDataPoint[];
    chartType: 'line' | 'bar' | 'pie' | 'scatter';
    summaryFormatter?: (data: any[]) => string;
}
/**
 * Accessibility wrapper for charts
 * Provides screen reader support and keyboard navigation
 */
export declare const ChartAccessibility: React.FC<ChartAccessibilityProps>;
/**
 * Hook for keyboard navigation support
 */
export declare function useChartKeyboardNavigation(data: any[], onDataPointSelect?: (point: any, index: number) => void): {
    selectedIndex: number;
    setSelectedIndex: React.Dispatch<React.SetStateAction<number>>;
    handleKeyPress: (event: any) => void;
};
export {};