export declare const treeDndClasses: {
    mask: string;
    child: string;
    levelBlock: string;
    dragHandle: string;
    predecessor: string;
    sibling: string;
    siblingPrev: string;
    siblingNext: string;
} & {
    root: string;
};
export declare function useStyle({ indent }: {
    indent: number;
}): import("@emotion/utils").SerializedStyles;
export declare const globalGrabbingStyle: import("@emotion/utils").SerializedStyles;