import * as ko from 'knockout';
import { IAction } from '../widgets/utils';
import { KeyboardHelperWithArrowButtonBase } from './_keyboardHelperWithArrowButtonBase';
import { ControlElementWithParentHighlight } from './_controlElementWithParentHighlight';
import { IAccessibilityLiveRegion } from './_keyboardHelperBase';
export declare class ToolbarKeyboardHelper extends KeyboardHelperWithArrowButtonBase {
    private _buttonModels;
    controlElementClassName: string;
    liveRegionId: string;
    private _buttonsSubscriptions;
    private _initializationTimeout;
    private _subscribeButtonsAndInitialize;
    private _initialize;
    createControlElement(element: HTMLElement, index?: number): ToolbarItemElement;
    private _moveFocusToSibling;
    constructor(_buttonModels: IAction[] | ko.Observable<IAction[]> | ko.Computed<IAction[]>);
    itemHandleEnterKey(e: any, index: any): boolean;
    itemHandleSpaceKey(e: any, index: any): boolean;
    itemHandleLeftArrowKey(e: any, index?: any): boolean;
    itemHandleRightArrowKey(e: any, index?: any): boolean;
    handleEscKey(e: any): boolean;
    dispose(): void;
    get buttonModels(): any;
}
declare class ToolbarItemElement extends ControlElementWithParentHighlight {
    element: HTMLElement;
    private _toolbarItemModel;
    private _liveRegion;
    private _moveFocusToSibling?;
    protected _borderCssClassName: string[];
    private _selectBox;
    private _menu;
    private _isComplexItem;
    dispose(): void;
    constructor(element: HTMLElement, _toolbarElement: HTMLElement, _toolbarItemModel: IAction, _liveRegion: (isAssertive?: boolean) => IAccessibilityLiveRegion, _moveFocusToSibling?: (item: ToolbarItemElement, offset: number) => void);
    private _menuArrowKeyHandler;
    private _focusMenu;
    setFocus(): void;
    actionExecute(): void;
    cancelAction(): boolean;
}
export {};