import { HttpClient, HttpHeaders } from '@angular/common/http';
import { ApiResponseModel, ApiVisa } from 'blg-akaun-ts-lib';
import { Observable } from 'rxjs';
export declare class DropDownService {
    readonly url: string;
    protected apiUrl: string;
    protected api_domain_url: string;
    protected endpoint_path: string;
    protected httpClient: HttpClient;
    constructor(http: HttpClient);
    getApiUrl(apiVisa: ApiVisa): string;
    getHttpHeader(apiVisa: ApiVisa): {
        headers: HttpHeaders;
    };
    get(title: string, inputModel: any, apiVisa: ApiVisa): Observable<ApiResponseModel<any>>;
}