export interface TreeMapNodeLabelProps {
    x: number;
    y: number;
    color: string;
    label: string;
    maxWidth: number;
    opacity?: number;
}
export declare const ItemFontStyles: {
    fontWeight: string;
    fontSize: string;
    fontFamily: string;
};
export declare const TreeMapNodeLabel: (props: TreeMapNodeLabelProps) => null;