import { default as React } from 'react';
export interface BarChartDataPoint {
    label: string;
    value: number;
    color?: string;
}
export interface BarChartProps {
    /** Chart data */
    data: BarChartDataPoint[];
    /** Chart orientation */
    orientation?: 'vertical' | 'horizontal';
    /** Show values on bars */
    showValues?: boolean;
    /** Show grid lines */
    showGrid?: boolean;
    /** Bar width */
    barWidth?: number;
    /** Chart height */
    height?: number;
    /** Additional className */
    className?: string;
}
/**
 * BarChart Component
 *
 * Simple bar chart for displaying categorical data.
 * Supports vertical and horizontal orientations.
 *
 * @example
 * ```tsx
 * <BarChart
 *   data={[
 *     { label: 'Jan', value: 120, color: '#3b82f6' },
 *     { label: 'Feb', value: 150, color: '#3b82f6' },
 *     { label: 'Mar', value: 90, color: '#3b82f6' }
 *   ]}
 *   orientation="vertical"
 *   showValues
 * />
 * ```
 */
export declare const BarChart: React.FC<BarChartProps>;
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