import { ChartGroup, ChartLike, SyncOptions } from '../../core/sync'; export interface ChartSyncHandle { group: ChartGroup; destroy: () => void; } export declare function createChartSync(charts: ChartLike[], options?: SyncOptions): ChartSyncHandle; export declare function updateChartSync(handle: ChartSyncHandle | null, charts: ChartLike[], options?: SyncOptions): ChartSyncHandle;