import { type RefObject } from 'react';
import { DeltaType, type MetricRunInfoBaseline, type MetricRunInfo, type ReportMetricRow } from '@bundle-stats/utils';
import { type Tree, type TileSizeDisplay, type TileGroupSizeDisplay } from './metrics-treemap.constants';
export declare function getTreemapNodes(items: Array<ReportMetricRow>): Tree;
export declare function getTreemapNodesGroupedByPath(items: Array<ReportMetricRow>): Tree;
export declare function resolveGroupDeltaType(metricRunInfo?: MetricRunInfo | MetricRunInfoBaseline): DeltaType.NO_CHANGE | DeltaType.NEGATIVE | DeltaType.POSITIVE;
export declare function resolveTileGroupSizeDisplay(width: number, height: number): TileGroupSizeDisplay;
export declare function resolveTileSizeDisplay(width: number, height: number): TileSizeDisplay;
interface UseTooltipStateWithMouseFollowOptions {
    parentRef: RefObject<Element>;
    gutter?: number;
    timeout?: number;
}
export declare function useTooltipStateWithMouseFollow(options: UseTooltipStateWithMouseFollowOptions): import("ariakit/tooltip").TooltipState;
export {};