import { HttpClient } from "@angular/common/http";
import * as i0 from "@angular/core";
export declare class SlickDropDownService {
    private http;
    constructor(http: HttpClient);
    getVisibleItems(items: any[], idFieldName: string, textFieldName: string): any[];
    getSelectedItem(items: any[], selectedId: string | number): any;
    getItemsFromServer(url: string): Promise<any>;
    getItemIndex(items: any[], selectedId: string): number;
    static ɵfac: i0.ɵɵFactoryDeclaration<SlickDropDownService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SlickDropDownService>;
}