import { DisplayObject, Group } from '../../shapes'; export declare function getTitleShapeBBox(titleShape?: DisplayObject): { top: number; left: number; right: number; bottom: number; }; export declare function renderTitle(container: Group, cfg?: any): any | null; export declare function renderGroup(container: Group, className: string, x: number, y: number): Group; export declare function renderRect(container: Group, className: string, width: number, height: number, style?: any): import("../../util")._Element;