import { type MouseEvent } from 'react';
/**
 * This hook is responsible for calculating the closest marker when
 * range legend overlay is hovered, using euclidian distance math,
 * setting the corresponding marker in order to show to the consumer the marker
 *
 * @param itemMarkers - a set of markers
 * @param overlayEl - the overlay element
 *
 * @returns Mouse movement handlers
 */
export declare const useLegendSegmentsOverlayHandlers: (itemMarkers: number[]) => {
    onMouseMoveHandler: (event: MouseEvent<SVGRectElement>) => void;
    onMouseLeaveHandler: () => void;
};
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