export declare const useStyles: (props?: unknown) => import("antd-style").ReturnStyles<{
    nbMenuItemGroup: {
        maxHeight: string;
        overflowY: "auto";
    };
    nbMenuItemSubMenu: {
        maxHeight: string;
        overflowY: "auto";
        boxShadow: string;
        borderRadius: number;
    };
}>;
