import { ECharts } from 'echarts';
import { AstroChartHandle } from './AstroChart';
interface SyncGroupOptions {
    /** Sync tooltip position */
    tooltip?: boolean;
    /** Sync crosshair */
    crosshair?: boolean;
    /** Sync zoom/pan */
    zoom?: boolean;
    /** Sync legend selection */
    legend?: boolean;
}
export interface UseChartSyncOptions extends SyncGroupOptions {
    /** Sync group ID */
    groupId: string;
    /** Whether sync is enabled */
    enabled?: boolean;
}
/**
 * Hook to synchronize a chart with other charts in the same group
 *
 * @example
 * ```tsx
 * const chartRef = useRef<AstroChartHandle>(null);
 * useChartSync(chartRef, { groupId: 'dashboard-charts' });
 * ```
 */
export declare function useChartSync(chartRef: React.RefObject<AstroChartHandle>, options: UseChartSyncOptions): void;
/**
 * Dispatch action to all charts in a group
 */
export declare function dispatchToGroup(groupId: string, action: Parameters<ECharts["dispatchAction"]>[0]): void;
/**
 * Sync zoom range across all charts in a group
 */
export declare function syncZoomRange(groupId: string, start: number, end: number): void;
/**
 * Reset zoom for all charts in a group
 */
export declare function resetGroupZoom(groupId: string): void;
/**
 * Show tooltip at specific data index for all charts
 */
export declare function showGroupTooltip(groupId: string, seriesIndex: number, dataIndex: number): void;
/**
 * Hide tooltip for all charts in a group
 */
export declare function hideGroupTooltip(groupId: string): void;
/**
 * Get all chart instances in a group
 */
export declare function getGroupCharts(groupId: string): ECharts[];
/**
 * Export all charts in a group as images
 */
export declare function exportGroupAsImages(groupId: string, options?: {
    type?: "png" | "svg";
    pixelRatio?: number;
    fileName?: string;
}): string[];
/**
 * Export all charts in a group as a combined CSV
 */
export declare function exportGroupAsCSV(groupId: string, options?: {
    fileName?: string;
    includeHeaders?: boolean;
}): string;
export {};