import { QueryList, AfterContentInit } from '@angular/core';
import { TabbarItemComponent } from './tabbar-item.component';
import * as i0 from "@angular/core";
/**
 * Serves as a container for `TabbarItem` components, rendering a navigational tab bar.
 * Utilizes a `FixedLayout` to ensure the tab bar remains positioned at a specific area within a view,
 * typically at the bottom of the screen, making it ideal for mobile or web application navigation menus.
 *
 * The component adapts its styling based on the platform, providing a consistent look and feel across different devices.
 */
export declare class TabbarComponent implements AfterContentInit {
    /** Index of the selected tab */
    selectedIndex: import("@angular/core").InputSignal<number>;
    /** Event emitted when selected tab changes */
    selectedIndexChange: import("@angular/core").OutputEmitterRef<number>;
    /** Internal signal for tracking active tab */
    private activeTabIndex;
    /** All tab items */
    tabbarItems: QueryList<TabbarItemComponent>;
    constructor();
    ngAfterContentInit(): void;
    /**
     * Handles tab selection event
     * @param index Index of selected tab
     */
    selectTab(index: number): void;
    /**
     * Updates "selected" state for all child elements
     */
    private updateSelectedState;
    static ɵfac: i0.ɵɵFactoryDeclaration<TabbarComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<TabbarComponent, "tgui-tabbar", never, { "selectedIndex": { "alias": "selectedIndex"; "required": false; "isSignal": true; }; }, { "selectedIndexChange": "selectedIndexChange"; }, ["tabbarItems"], ["*"], true, never>;
}