/**
 * @typedef {import("./tooltipHandler.js").TooltipRow} TooltipRow
 */
/**
 * Flattens an object into tooltip rows using dot-separated keys.
 * Keys starting with "_" are omitted.
 *
 * @param {Record<string, any>} datum
 * @returns {TooltipRow[]}
 */
export function flattenDatumRows(datum: Record<string, any>): TooltipRow[];
export type TooltipRow = import("./tooltipHandler.js").TooltipRow;
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