import { OnInit, ChangeDetectorRef, TemplateRef } from '@angular/core';
import { TreeService, TreeGroup } from '@schoolbelle/api/group-to-group';
import { LetterTargetService } from '@schoolbelle/api/letter-target';
import { Subscription } from 'rxjs';
export declare class GroupTabComponent implements OnInit {
    treeService: TreeService;
    targetService: LetterTargetService;
    cdRef: ChangeDetectorRef;
    private localeId;
    group: TreeGroup;
    mode: 'select' | 'compose' | 'view';
    tabTemplate: TemplateRef<any>;
    checked: 0 | 1 | 2;
    isTogglable: boolean;
    constructor(treeService: TreeService, targetService: LetterTargetService, cdRef: ChangeDetectorRef, localeId: string);
    subscription: Subscription;
    ngOnInit(): void;
    ngOnDestroy(): void;
    private getTogglableStatus;
    readonly short_group_name: string;
    open(): void;
    private updateCheckedStatus;
    stopPropagation($event: MouseEvent): void;
    toggle(group?: TreeGroup): void;
}