export declare const labelMapExists: (d: any) => boolean;
export declare const toggleLabels: (nodes: any, treemapLevel: any, crossValues: any) => void;
export declare const restoreLabels: (nodes: any) => void;
export declare const preventTextCollisions: (nodes: any) => void;
export declare const lockTextOpacity: (d: any) => import("d3-selection").Selection<any, unknown, null, undefined>;
export declare const unlockTextOpacity: (d: any) => import("d3-selection").Selection<any, unknown, null, undefined>;
export declare const textOpacity: {
    top: number;
    mid: number;
    lower: number;
};
export declare const selectVisibleNodes: (nodes: any) => any;
export declare const adjustLabelsThatOverflow: (nodes: any) => any;