import { TDataItem, TTreemapData } from './types';
/**
 * Generates HTML content for a tooltip.
 * @param {TDataItem} data - The data object to generate the tooltip content.
 * @returns {string} - The HTML content of the tooltip.
 */
export declare const tooltipContentHtml: (data: TDataItem) => string;
/**
 * Builds RFM data object from Treemap data.
 * @param {TTreemapData} data - The treemap data object.
 * @returns {TDataItem[]} - The RFM data object.
 */
export declare const buildRfmData: (data: TTreemapData) => TDataItem[];