import { Injector } from '@angular/core';
import { EventEmitter } from '@angular/core';
import { Http } from '@angular/http';
import { TranslateService } from '@ngx-translate/core';
import { MomentService } from '../services';
import { Observable } from 'rxjs/Observable';
import { Subscriber } from 'rxjs/Subscriber';
export declare class OTranslateService {
    protected injector: Injector;
    static ASSETS_PATH: string;
    static ASSETS_EXTENSION: string;
    DEFAULT_LANG: string;
    onLanguageChanged: EventEmitter<any>;
    protected ngxTranslateService: TranslateService;
    protected momentService: MomentService;
    protected http: Http;
    protected notFoundLang: Array<String>;
    constructor(injector: Injector);
    protected checkExistingLangFile(lang: string): Promise<any>;
    setDefaultLang(lang: string): void;
    get(text: string): string;
    setAppLang(lang: string): Observable<any>;
    use(lang: string, observer?: Subscriber<any>): void;
    protected propagateLang(lang: string, langRes?: any, observer?: Subscriber<any>): void;
    getCurrentLang(): string;
    getBrowserLang(): string;
}