/**-----------------------------------------------------------------------------------------
* Copyright © 2026 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
import { AfterViewChecked, ElementRef, EventEmitter, OnChanges, QueryList, SimpleChange, TemplateRef, OnInit, OnDestroy } from '@angular/core';
import { LocalizationService } from '@progress/kendo-angular-l10n';
import { LicenseMessage } from '@progress/kendo-licensing';
import { PanelBarExpandMode } from './panelbar-expand-mode';
import { PanelBarItemComponent } from './panelbar-item.component';
import { PanelBarItemModel } from './panelbar-item-model';
import { PanelBarService } from "./panelbar.service";
import { PanelBarItemTemplateDirective } from "./panelbar-item-template.directive";
import { PanelBarSelectEvent, PanelBarExpandEvent, PanelBarCollapseEvent, PanelBarStateChangeEvent, PanelBarItemClickEvent } from './events';
import * as i0 from "@angular/core";
/**
 * Represents the Kendo UI PanelBar component for Angular.
 * Displays hierarchical data as an expandable and collapsible accordion-style interface ([see overview](https://www.telerik.com/kendo-angular-ui/components/layout/panelbar)).
 *
 * @example
 * ```typescript
 * @Component({
 *   selector: 'my-app',
 *   template: `
 *     <kendo-panelbar [items]="items" expandMode="single">
 *     </kendo-panelbar>
 *   `
 * })
 * class AppComponent {
 *   items = [
 *     { title: 'Item 1', expanded: true, content: 'Content 1' },
 *     { title: 'Item 2', content: 'Content 2' }
 *   ];
 * }
 * ```
 * @remarks
 * Supported children components are: {@link PanelBarItemComponent}.
 */
export declare class PanelBarComponent implements AfterViewChecked, OnChanges, OnInit, OnDestroy {
    private localization;
    /**
     * Sets the expand mode of the PanelBar through the `PanelBarExpandMode` enum ([see example](https://www.telerik.com/kendo-angular-ui/components/layout/panelbar/expand-modes)).
     *
     * @default 'multiple
     */
    expandMode: PanelBarExpandMode;
    /**
     * Allows the PanelBar to modify the selected state of the items.
     *
     * @default true
     */
    selectable: boolean;
    /**
     * Sets the animate state of the PanelBar ([see example](https://www.telerik.com/kendo-angular-ui/components/layout/panelbar/animations)).
     *
     * @default true
     */
    animate: boolean;
    /**
     * Sets the height of the component when the `"full"` expand mode is used.
     * This option is ignored when the `"multiple"` or `"single"` expand modes are used.
     *
     * @default '400px'
     */
    height: any;
    /**
    * Controls how the PanelBar renders item content.
    *
    * The available options are:
    *
    * * `true`&mdash;Renders all items' content and persists them in the DOM.
    * * `false`&mdash;Removes collapsed items' content from the DOM.
    * * `"loadOnDemand"`&mdash;Loads items' content only when expanded for the first time. Collapsed items' content is not rendered until the item is expanded.
    *
    * For more information, refer to the [Rendering Modes](https://www.telerik.com/kendo-angular-ui/components/layout/panelbar/rendering-modes) article.
    *
    * @default false
    */
    get keepItemContent(): boolean | 'loadOnDemand';
    set keepItemContent(keepItemContent: boolean | 'loadOnDemand');
    /**
     * Sets the items of the PanelBar as an array of `PanelBarItemModel` instances
     * ([see example](https://www.telerik.com/kendo-angular-ui/components/layout/panelbar/items)).
     */
    set items(data: Array<PanelBarItemModel>);
    get items(): Array<PanelBarItemModel>;
    /**
     * Fires when the state of the PanelBar changes.
     * This event is triggered when an item is selected, expanded, or collapsed.
     * ([see example](https://www.telerik.com/kendo-angular-ui/components/layout/panelbar/routing#using-router-service)).
     * The event data contains a collection of all items that are modified.
     */
    stateChange: EventEmitter<PanelBarStateChangeEvent>;
    /**
     * Fires when an item is about to be selected.
     * This event is preventable. If you cancel it, the item will not be selected
     * ([see example](https://www.telerik.com/kendo-angular-ui/components/layout/panelbar/events)).
     */
    select: EventEmitter<PanelBarSelectEvent>;
    /**
     * Fires when an item is about to be expanded.
     * This event is preventable. If you cancel it, the item will remain collapsed
     * ([see example](https://www.telerik.com/kendo-angular-ui/components/layout/panelbar/events)).
     */
    expand: EventEmitter<PanelBarExpandEvent>;
    /**
     * Fires when an item is about to be collapsed.
     * This event is preventable. If you cancel it, the item will remain expanded
     * ([see example](https://www.telerik.com/kendo-angular-ui/components/layout/panelbar/events)).
     */
    collapse: EventEmitter<PanelBarCollapseEvent>;
    /**
     * Fires when an item is clicked ([see example](https://www.telerik.com/kendo-angular-ui/components/layout/panelbar/events)).
     */
    itemClick: EventEmitter<PanelBarItemClickEvent>;
    hostClasses: boolean;
    tabIndex: number;
    role: string;
    activeDescendant: string;
    get hostHeight(): string;
    get overflow(): string;
    get dir(): string;
    template: PanelBarItemTemplateDirective;
    contentItems: QueryList<PanelBarItemComponent>;
    contentChildItems: QueryList<PanelBarItemComponent>;
    viewChildItems: QueryList<PanelBarItemComponent>;
    /**
     * @hidden
     */
    showLicenseWatermark: boolean;
    /**
     * @hidden
     */
    licenseMessage?: LicenseMessage;
    private allItems;
    private childrenItems;
    private isViewInit;
    private focused;
    private _items;
    private _keepItemContent;
    private elementRef;
    private eventService;
    private keyBindings;
    private subs;
    constructor(elementRef: ElementRef, eventService: PanelBarService, localization: LocalizationService);
    /**
     * @hidden
     */
    invertKeys(original: any, inverted: any): any;
    get computedKeys(): object;
    ngOnDestroy(): void;
    ngOnInit(): void;
    ngAfterViewChecked(): void;
    ngOnChanges(changes: {
        [propertyName: string]: SimpleChange;
    }): void;
    get templateRef(): TemplateRef<any>;
    /**
     * @hidden
     */
    onComponentClick(event: any): void;
    /**
     * @hidden
     */
    onComponentFocus(): void;
    /**
     * @hidden
     */
    onComponentBlur(): void;
    /**
     * @hidden
     */
    onComponentKeyDown(event: KeyboardEvent): void;
    /**
     * @hidden
     */
    emitEvent(event: string, item: PanelBarItemComponent): any;
    private get viewItems();
    private validateConfiguration;
    private updateChildrenHeight;
    private onItemAction;
    private isVisible;
    private getVisibleParent;
    private focusItem;
    private moveFocus;
    private focusLastItem;
    private focusFirstItem;
    private focusNextItem;
    private focusPreviousItem;
    private expandItem;
    private collapseItem;
    private selectFocusedItem;
    private visibleItems;
    private flatVisibleItems;
    static ɵfac: i0.ɵɵFactoryDeclaration<PanelBarComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<PanelBarComponent, "kendo-panelbar", ["kendoPanelbar"], { "expandMode": { "alias": "expandMode"; "required": false; }; "selectable": { "alias": "selectable"; "required": false; }; "animate": { "alias": "animate"; "required": false; }; "height": { "alias": "height"; "required": false; }; "keepItemContent": { "alias": "keepItemContent"; "required": false; }; "items": { "alias": "items"; "required": false; }; }, { "stateChange": "stateChange"; "select": "select"; "expand": "expand"; "collapse": "collapse"; "itemClick": "itemClick"; }, ["template", "contentItems", "contentChildItems"], ["kendo-panelbar-item"], true, never>;
}