import { Button, ButtonGroup, HoverButton, Action, ObjectTree } from '../button/model'; import { FormDiaplyMode } from '../form/model'; export declare class ButtonUtils { static instanceOfButton(object: any): object is Button; static instanceOfChipButton(object: any): object is ButtonGroup; static instanceOfButtonGroup(object: any): object is ButtonGroup; static instanceOfHoverButton(object: any): object is HoverButton; static instanceOfAnyButtonType(object: any): boolean; static hasWidth(buttons: Array