import { AfterViewInit, QueryList } from '@angular/core';
import { TabComponent } from './tab.component';
import { TabHeaderComponent } from './tab-header.component';
export declare class TabGroupComponent implements AfterViewInit {
    _tabs: QueryList<TabComponent>;
    _tabHeaders: QueryList<TabHeaderComponent>;
    private _nextGroupId;
    /** The index of the active tab. */
    get selectedIndex(): number | null;
    set selectedIndex(value: number | null);
    private _selectedIndex;
    private _keyManager;
    constructor();
    ngAfterViewInit(): void;
    handleClick(index: number): void;
    getTabIndex(index: number): number | null;
    getTabContentId(i: number): string;
    getTabLabelId(i: number): string;
    handleKeyDown(event: KeyboardEvent): void;
    setTabFocus(tabIndex: number): void;
}
export interface Tab {
    name: string;
    content?: any;
}