import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class AutocompleteService {
    private http;
    g: string;
    tab_index: number;
    constructor(http: HttpClient);
    private subject;
    setGroup(g: string): void;
    setTab(index: number): void;
    returnResult(): Observable<any>;
    getResults(query: string, serverUrl: string): import("rxjs").Subscription;
    static ɵfac: i0.ɵɵFactoryDef<AutocompleteService, never>;
    static ɵprov: i0.ɵɵInjectableDef<AutocompleteService>;
}
