import { QueryList, EventEmitter } from '@angular/core';
import { TabPane } from './tab-pane.component';
import { GtxTabLabel } from './tab-label';
import * as i0 from "@angular/core";
/**
 * For documentation, see the GroupedTabs
 */
export declare class TabGroup {
    /** Unique id for the tab group. */
    uniqueId: string;
    /** Expand state for the group */
    expand: boolean;
    /** Content for the tab label given by `<ng-template gtx-tab-label>`. */
    templateLabels: QueryList<GtxTabLabel>;
    get templateLabel(): GtxTabLabel;
    /** Plain text label for the tab, used when there is no template label. */
    textLabel: string;
    set expanded(val: any);
    set id(val: string);
    get id(): string;
    /**
     * Fires an event whenever the tab group is toggled. Argument is the id and state of the tab group.
     */
    tabGroupToggle: EventEmitter<{
        id: string;
        expand: boolean;
    }>;
    /** All of the defined tab panes. */
    tabs: QueryList<TabPane>;
    get hasActiveChild(): boolean;
    toggle(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<TabGroup, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<TabGroup, "gtx-tab-group", ["gtxTabGroup"], { "textLabel": "label"; "expanded": "expanded"; "id": "id"; }, { "tabGroupToggle": "tabGroupToggle"; }, ["templateLabels", "tabs"], never>;
}