import { PipeTransform } from '@angular/core';
import { ComponentService, NavNodeWsDTO } from '@ngx-y/yapi';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class NavNodePipe implements PipeTransform {
    private componentService;
    constructor(componentService: ComponentService);
    transform(value: NavNodeWsDTO | undefined, ...args: any[]): Observable<NavNodeWsDTO>;
    static ɵfac: i0.ɵɵFactoryDeclaration<NavNodePipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<NavNodePipe, "navNode">;
}