export declare namespace TOOLBAR_ITEMS {
    const BACK_NODE: string;
    const FRONT_NODE: string;
    const SAVE_GRAPH_DATA: string;
    const REDO_CMD: string;
    const UNDO_CMD: string;
    const MULTI_SELECT: string;
    const ADD_GROUP: string;
    const DEL_GROUP: string;
    const COPY: string;
    const PASTE: string;
}
export declare const useToolbarConfig: Function;