import { HttpClient, HttpHeaders } from '@angular/common/http';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class ChooseGeneralItemService {
    private http;
    private env;
    constructor(http: HttpClient, env: any);
    getHeaders(): {
        headers: HttpHeaders;
    };
    getHeadersAndParams(dictionary: any): {
        headers: any;
        params: import("@angular/common/http").HttpParams;
    };
    getAuthenticationHeadersWithQueryParams(params: any): {
        headers: HttpHeaders;
        params: any;
    };
    getData(apiPath: string, filterParams?: any): Observable<any>;
    static ɵfac: i0.ɵɵFactoryDeclaration<ChooseGeneralItemService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ChooseGeneralItemService>;
}