import * as React from 'react';
/**
 * Helper hook to manage a tooltip for the graph pane
 *
 * Handles showing and hiding the tooltip based on the visibility of the pane
 *
 * @param pane - pane to observe visibility of
 * @param tooltipRef - ref to the tooltip position
 */
export default function useGraphTooltip(pane: React.RefObject<HTMLElement>, tooltipRef: React.MutableRefObject<() => DOMRect>): {
    setTooltipContent: (content: React.ReactNode) => void;
    tooltipContent: React.ReactNode;
};
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