import type { VisualizationOptions } from '../../types';
/**
 * VennDataItem is the type for each data item in the venn chart.
 */
export type VennDataItem = {
    /** Parser / DSL often yields a comma-separated string; G2 venn transform expects string[]. */
    sets: string[] | string;
    value: number;
    label?: string;
};
/**
 * VennConfig defines the configuration for rendering the venn chart.
 */
export interface VennConfig {
    type?: 'venn';
    data: VennDataItem[];
    theme?: 'default' | 'academy' | 'dark';
    title?: string;
    style?: {
        backgroundColor?: string;
        palette?: string[];
    };
}
/**
 * VennInstance represents a venn chart instance with render and destroy methods.
 */
export interface VennInstance {
    render: (config: VennConfig) => void;
    destroy: () => void;
}
/**
 * Venn chart component using G2 5.0.
 *
 * @example
 * ```ts
 * const venn = Venn({
 *   container: '#container',
 *   width: 600,
 *   height: 400,
 * });
 *
 * venn.render({
 *   type: 'venn',
 *   data: [
 *     { sets: ['A'], value: 20, label: '集合A' },
 *     { sets: ['B'], value: 15, label: '集合B' },
 *     { sets: ['A', 'B'], value: 5, label: '交集AB' },
 *   ],
 *   theme: 'academy'
 * });
 *
 * venn.destroy();
 * ```
 */
export declare const Venn: (options: VisualizationOptions) => VennInstance;