import { OutputEmitterRef } from "@angular/core";
import { Observable, Observer, Subject } from "rxjs";
import { NgtReactiveSelectSearchService } from "./ngt-reactive-select-search.service";
import * as i0 from "@angular/core";
export interface NgtReactiveSelectItemsConfig {
    remoteResource: any;
    items: any[] | Observable<any>;
    autoSelectUniqueOption: boolean;
    guessCompareWith: boolean;
    compareWith: (a: any, b: any) => boolean;
    currentValue: any;
    canLoadItems: boolean;
    ngSearchObserver: Observer<any>;
    onNativeChange: (value: any) => void;
    onLoadRemoteResource: OutputEmitterRef<any>;
}
export declare class NgtReactiveSelectItemsService {
    private searchService;
    private originalItems;
    private typeaheadSubject;
    private ngSearchObserver;
    constructor(searchService: NgtReactiveSelectSearchService);
    initializeItems(config: NgtReactiveSelectItemsConfig): Observable<any>;
    getNgSearchObserver(): Observer<any>;
    getTypeaheadSubject(): Subject<string>;
    sortSelectedItems(value: any, sortFn?: (a: any, b: any) => any): any;
    setOriginalItems(items: any[]): void;
    getOriginalItems(): any[];
    hadPreviousSelection(item: any, compareWithFn: (a: any, b: any) => boolean): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgtReactiveSelectItemsService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NgtReactiveSelectItemsService>;
}