import { Dimensions } from '../../../types/dimensions.js';
import { ChartLegendOrientation, LegendRatio } from '../../../types/legend.js';
interface AutomaticRatioParams {
    legendCandidateSize?: number;
    legendRef: (node: HTMLDivElement) => void;
    readyForAutoRatio: boolean;
    refreshAutoRatio: () => void;
}
/**
 * Hook responsible of determining the best ratio to apply to the chart in order
 * to fully display the content of the legend.
 * @param orientation -
 * @param ratio -
 * @param containerAvailableArea -
 */
export declare const useAutomaticRatio: (orientation: ChartLegendOrientation, ratio: LegendRatio, containerAvailableArea: Dimensions) => AutomaticRatioParams;
export {};