import { ChartData } from '../../../../../domains/visualizations/core/chart-data/types';
import { ChartType } from '../../../../../types';
type UseChartOnReadyInput = {
    chartType: ChartType;
    /** Whether a query / data sync is in progress. */
    isLoading: boolean;
    /** Whether data options have no attributes or measures. */
    hasNoDimensions: boolean;
    /** Prepared chart data, or `null` while unavailable. */
    chartData: ChartData | null;
    /** Consumer `onReady` callback to fire on each rising edge of readiness. */
    onReady?: () => void;
};
type UseChartOnReadyResult = {
    /**
     * Paint signal handler to forward to the renderer via
     * `ChartRendererProps.onReady`, or `undefined` when the chart type has no
     * `ChartBuilder` (non-restructured types do not participate).
     */
    onRendererReady: (() => void) | undefined;
};
/**
 * Fires the consumer `onReady` prop (Fusion `domready` / PDF) on each rising edge of
 * the chart's `ChartBuilder.renderer.isReady` predicate, feeding it the renderer paint
 * signal alongside the loading and data signals.
 *
 * Readiness lives here rather than in the renderer because `onReady` must still fire
 * for the empty / no-results case, where RegularChart shows a terminal overlay and the
 * renderer never mounts.
 *
 * @internal
 */
export declare function useChartOnReady({ chartType, isLoading, hasNoDimensions, chartData, onReady, }: UseChartOnReadyInput): UseChartOnReadyResult;
export {};