import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { ApiUtilsService } from './api-utils.service';
import { TranslatableDto } from '../domain';
export declare class TranslationControllerService {
    private _serverUrl;
    private _httpClient;
    private _apiUtils;
    constructor(_serverUrl: string, _httpClient: HttpClient, _apiUtils: ApiUtilsService);
    private _headers;
    addCustomHeader(headerName: string, headerValue: string | string[]): this;
    getAllForLanguageId(lgId: string, queryParams: {
        filters?: Array<string>;
    }): Observable<{
        [key: string]: string;
    }>;
    getRefBook(refBook: string, lgId: string, queryParams: {
        filters?: Array<string>;
    }): Observable<Array<TranslatableDto>>;
}