import type { HierarchyRectangularNode } from '@visx/hierarchy/lib/types.js';
import type { Unit } from '@dynatrace-sdk/units';
import type { Data } from '../../core/components/overlay-tooltip/types.js';
import type { Formatter } from '../../core/types/formatter.js';
import type { InternalTreeMapNode } from '../types/internal.js';
export declare const buildOverlayTooltipData: (node: HierarchyRectangularNode<InternalTreeMapNode>, formatter: Formatter, unit?: string | Unit) => Data;