import { HttpClient } from "@angular/common/http";
import { Menu } from "../models/Menu";
import { Observable } from "rxjs";
import * as i0 from "@angular/core";
export declare class MenuService {
    private http;
    menuData: Menu[];
    filteredData: Menu[];
    flatData: Menu[];
    filteredFlatDataList: Menu[];
    allFilteredIds: string[];
    constructor(http: HttpClient);
    getFakeMenu(): Observable<Menu[]>;
    filterMenu(searchText: string): any;
    getFilteredIds(): string[];
    private getAllParentIds;
    private getClone;
    setMenuDataSource(menuData: Menu[]): void;
    getFlatMenu(source: Menu[], result?: Menu[]): Menu[];
    private filterDataByName;
    private makeDataRecursive;
    static ɵfac: i0.ɵɵFactoryDeclaration<MenuService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<MenuService>;
}