import { OnDestroy, OnInit } from '@angular/core';
import { NzTreeComponent, NzTreeNodeOptions, NzFormatEmitEvent } from 'ng-zorro-antd/tree';
import { Subscription } from 'rxjs';
import { TfNgFormEditorService } from '../../tf-ng-form-editor.service';
export declare class TreeViewComponent implements OnInit, OnDestroy {
    private formEditorService;
    nzTreeComponent: NzTreeComponent;
    formSubscription: Subscription;
    selectedKeySubscription: Subscription;
    nodes: NzTreeNodeOptions[];
    nzClick(event: NzFormatEmitEvent): void;
    constructor(formEditorService: TfNgFormEditorService);
    ngOnInit(): void;
    nzEvent(event: NzFormatEmitEvent): void;
    initialiseFormSubscription(): void;
    initialiseKeySelectedSubscription(): void;
    onSupressExpansion(event: any): void;
    ngOnDestroy(): void;
}