import { Action, ActionContainer, Base } from "survey-core";
import { SidebarModel } from "./side-bar-model";
export declare class TabControlModel extends Base {
    sidePanel: SidebarModel;
    bottomToolbar: ActionContainer;
    expandCollapseAction: Action;
    onTopToolbarItemCreated: (bar: ActionContainer) => void;
    private updateExpandCollapseAction;
    private createToggleAction;
    constructor(sidePanel: SidebarModel);
    private topToolbarValue;
    get isTopToolbarCreated(): boolean;
    get topToolbar(): ActionContainer;
    get sideBarClassName(): string;
}