import { OnInit, EventEmitter, ChangeDetectorRef, TemplateRef } from '@angular/core';
import { TreeService, TreeGroup } from '@schoolbelle/api/group-to-group';
import { GroupService } from '@schoolbelle/api/group';
import { Subscription } from 'rxjs';
import { LetterTargetService } from '@schoolbelle/api/letter-target';
export declare class SubgroupTabsComponent implements OnInit {
    treeService: TreeService;
    groupService: GroupService;
    targetService: LetterTargetService;
    cdRef: ChangeDetectorRef;
    onSelected: EventEmitter<TreeGroup>;
    customTabTemplate: any;
    tabTemplate: TemplateRef<any>;
    mode: 'select' | 'view';
    depth: number;
    group: TreeGroup;
    readonly groups: TreeGroup[];
    checked: 0 | 1 | 2;
    constructor(treeService: TreeService, groupService: GroupService, targetService: LetterTargetService, cdRef: ChangeDetectorRef);
    subscription: Subscription;
    ngOnInit(): void;
    ngOnDestroy(): void;
    readonly openedChildGroup: TreeGroup;
    private updateCheckedStatus;
    groupTrackBy(index: any, item: TreeGroup): any;
}