import { TransferState } from '@angular/platform-browser';
import { ElementRef, NgZone, OnDestroy, EventEmitter, OnChanges, DoCheck, SimpleChanges, QueryList } from '@angular/core';
import DevExpress from 'devextreme/bundles/dx.all';
import DxButtonGroup from 'devextreme/ui/button_group';
import { DxComponent, DxTemplateHost, NestedOptionHost, IterableDifferHelper, WatcherHelper } from 'devextreme-angular/core';
import { DxiItemComponent } from 'devextreme-angular/ui/nested';
import * as i0 from "@angular/core";
import * as i1 from "devextreme-angular/ui/nested";
import * as i2 from "devextreme-angular/core";
import * as i3 from "@angular/platform-browser";
/**
 * The ButtonGroup is a UI component that contains a set of toggle buttons and can be used as a mode switcher.

 */
export declare class DxButtonGroupComponent extends DxComponent implements OnDestroy, OnChanges, DoCheck {
    private _watcherHelper;
    private _idh;
    instance: DxButtonGroup;
    /**
     * Specifies the shortcut key that sets focus on the UI component.
    
     */
    get accessKey(): string | undefined;
    set accessKey(value: string | undefined);
    /**
     * Specifies whether the UI component changes its visual state as a result of user interaction.
    
     */
    get activeStateEnabled(): boolean;
    set activeStateEnabled(value: boolean);
    /**
     * Specifies a template for all the buttons in the group.
    
     */
    get buttonTemplate(): any;
    set buttonTemplate(value: any);
    /**
     * Specifies whether the UI component responds to user interaction.
    
     */
    get disabled(): boolean;
    set disabled(value: boolean);
    /**
     * Specifies the global attributes to be attached to the UI component's container element.
    
     */
    get elementAttr(): any;
    set elementAttr(value: any);
    /**
     * Specifies whether the UI component can be focused using keyboard navigation.
    
     */
    get focusStateEnabled(): boolean;
    set focusStateEnabled(value: boolean);
    /**
     * Specifies the UI component's height.
    
     */
    get height(): number | Function | string | undefined;
    set height(value: number | Function | string | undefined);
    /**
     * Specifies text for a hint that appears when a user pauses on the UI component.
    
     */
    get hint(): string | undefined;
    set hint(value: string | undefined);
    /**
     * Specifies whether the UI component changes its state when a user pauses on it.
    
     */
    get hoverStateEnabled(): boolean;
    set hoverStateEnabled(value: boolean);
    /**
     * Configures buttons in the group.
    
     */
    get items(): Array<DevExpress.ui.dxButtonGroupItem>;
    set items(value: Array<DevExpress.ui.dxButtonGroupItem>);
    /**
     * Specifies which data field provides keys used to distinguish between the selected buttons.
    
     */
    get keyExpr(): Function | string;
    set keyExpr(value: Function | string);
    /**
     * Switches the UI component to a right-to-left representation.
    
     */
    get rtlEnabled(): boolean;
    set rtlEnabled(value: boolean);
    /**
     * Contains keys of selected buttons and allows you to specify initial button selection state.
    
     */
    get selectedItemKeys(): Array<any>;
    set selectedItemKeys(value: Array<any>);
    /**
     * Contains the data objects that correspond to the selected buttons. The data objects are taken from the items array.
    
     */
    get selectedItems(): Array<any>;
    set selectedItems(value: Array<any>);
    /**
     * Specifies the button selection mode.
    
     */
    get selectionMode(): string;
    set selectionMode(value: string);
    /**
     * Specifies how buttons in the group are styled.
    
     */
    get stylingMode(): string;
    set stylingMode(value: string);
    /**
     * Specifies the number of the element when the Tab key is used for navigating.
    
     */
    get tabIndex(): number;
    set tabIndex(value: number);
    /**
     * Specifies whether the UI component is visible.
    
     */
    get visible(): boolean;
    set visible(value: boolean);
    /**
     * Specifies the UI component&apos;s width.
    
     */
    get width(): number | Function | string | undefined;
    set width(value: number | Function | string | undefined);
    /**
    
     * A function that is executed when the UI component is rendered and each time the component is repainted.
    
    
     */
    onContentReady: EventEmitter<any>;
    /**
    
     * A function that is executed before the UI component is disposed of.
    
    
     */
    onDisposing: EventEmitter<any>;
    /**
    
     * A function used in JavaScript frameworks to save the UI component instance.
    
    
     */
    onInitialized: EventEmitter<any>;
    /**
    
     * A function that is executed when a button is clicked or tapped.
    
    
     */
    onItemClick: EventEmitter<any>;
    /**
    
     * A function that is executed after a UI component property is changed.
    
    
     */
    onOptionChanged: EventEmitter<any>;
    /**
    
     * A function that is executed when a button is selected or selection is canceled.
    
    
     */
    onSelectionChanged: EventEmitter<any>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    accessKeyChange: EventEmitter<string | undefined>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    activeStateEnabledChange: EventEmitter<boolean>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    buttonTemplateChange: EventEmitter<any>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    disabledChange: EventEmitter<boolean>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    elementAttrChange: EventEmitter<any>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    focusStateEnabledChange: EventEmitter<boolean>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    heightChange: EventEmitter<number | Function | string | undefined>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    hintChange: EventEmitter<string | undefined>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    hoverStateEnabledChange: EventEmitter<boolean>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    itemsChange: EventEmitter<Array<DevExpress.ui.dxButtonGroupItem>>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    keyExprChange: EventEmitter<Function | string>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    rtlEnabledChange: EventEmitter<boolean>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    selectedItemKeysChange: EventEmitter<Array<any>>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    selectedItemsChange: EventEmitter<Array<any>>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    selectionModeChange: EventEmitter<string>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    stylingModeChange: EventEmitter<string>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    tabIndexChange: EventEmitter<number>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    visibleChange: EventEmitter<boolean>;
    /**
    
     * This member supports the internal infrastructure and is not intended to be used directly from your code.
    
     */
    widthChange: EventEmitter<number | Function | string | undefined>;
    get itemsChildren(): QueryList<DxiItemComponent>;
    set itemsChildren(value: QueryList<DxiItemComponent>);
    constructor(elementRef: ElementRef, ngZone: NgZone, templateHost: DxTemplateHost, _watcherHelper: WatcherHelper, _idh: IterableDifferHelper, optionHost: NestedOptionHost, transferState: TransferState, platformId: any);
    protected _createInstance(element: any, options: any): DxButtonGroup;
    ngOnDestroy(): void;
    ngOnChanges(changes: SimpleChanges): void;
    setupChanges(prop: string, changes: SimpleChanges): void;
    ngDoCheck(): void;
    _setOption(name: string, value: any): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<DxButtonGroupComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<DxButtonGroupComponent, "dx-button-group", never, { "accessKey": "accessKey"; "activeStateEnabled": "activeStateEnabled"; "buttonTemplate": "buttonTemplate"; "disabled": "disabled"; "elementAttr": "elementAttr"; "focusStateEnabled": "focusStateEnabled"; "height": "height"; "hint": "hint"; "hoverStateEnabled": "hoverStateEnabled"; "items": "items"; "keyExpr": "keyExpr"; "rtlEnabled": "rtlEnabled"; "selectedItemKeys": "selectedItemKeys"; "selectedItems": "selectedItems"; "selectionMode": "selectionMode"; "stylingMode": "stylingMode"; "tabIndex": "tabIndex"; "visible": "visible"; "width": "width"; }, { "onContentReady": "onContentReady"; "onDisposing": "onDisposing"; "onInitialized": "onInitialized"; "onItemClick": "onItemClick"; "onOptionChanged": "onOptionChanged"; "onSelectionChanged": "onSelectionChanged"; "accessKeyChange": "accessKeyChange"; "activeStateEnabledChange": "activeStateEnabledChange"; "buttonTemplateChange": "buttonTemplateChange"; "disabledChange": "disabledChange"; "elementAttrChange": "elementAttrChange"; "focusStateEnabledChange": "focusStateEnabledChange"; "heightChange": "heightChange"; "hintChange": "hintChange"; "hoverStateEnabledChange": "hoverStateEnabledChange"; "itemsChange": "itemsChange"; "keyExprChange": "keyExprChange"; "rtlEnabledChange": "rtlEnabledChange"; "selectedItemKeysChange": "selectedItemKeysChange"; "selectedItemsChange": "selectedItemsChange"; "selectionModeChange": "selectionModeChange"; "stylingModeChange": "stylingModeChange"; "tabIndexChange": "tabIndexChange"; "visibleChange": "visibleChange"; "widthChange": "widthChange"; }, ["itemsChildren"], never>;
}
export declare class DxButtonGroupModule {
    static ɵfac: i0.ɵɵFactoryDeclaration<DxButtonGroupModule, never>;
    static ɵmod: i0.ɵɵNgModuleDeclaration<DxButtonGroupModule, [typeof DxButtonGroupComponent], [typeof i1.DxiItemModule, typeof i2.DxIntegrationModule, typeof i2.DxTemplateModule, typeof i3.BrowserTransferStateModule], [typeof DxButtonGroupComponent, typeof i1.DxiItemModule, typeof i2.DxTemplateModule]>;
    static ɵinj: i0.ɵɵInjectorDeclaration<DxButtonGroupModule>;
}