import { AxisSetExtremesEventObject } from 'highcharts';
export interface LazyLoadingResult {
    previousViewportRangeRef: React.MutableRefObject<number | null>;
    createAfterSetExtremesHandler: (params: {
        campaignId: string;
        assetId: string;
        selectedTimeframe: string;
        isActuallyFetching: boolean;
        onRangeExpansionNeeded?: (range: {
            from: number;
            to: number;
        }) => void;
    }) => (this: Highcharts.Axis, e: AxisSetExtremesEventObject) => void;
}
/**
 * Custom hook to manage lazy loading logic
 * Creates the afterSetExtremes event handler for chart zoom/pan interactions
 *
 * Note: With full data fetching enabled, this hook mainly prevents unnecessary
 * expansion requests when all data is already cached.
 */
export declare const useLazyLoading: () => LazyLoadingResult;
//# sourceMappingURL=useLazyLoading.d.ts.map