import type { InternalTreeMapNode, TreeMapFormatter } from '../types/internal.js';
import { TreeMapRootNode } from '../types/treemap.js';
/**
 * Map nodes to children prop
 * @param rootNode - TreeMap root node
 * @returns - InternalTreeMapNode
 */
export declare const getMappedTree: (rootNode: TreeMapRootNode, formatter: TreeMapFormatter, unit?: string) => InternalTreeMapNode;