import { Observable } from 'rxjs';
import { CaptionsLangOption } from '../../models/caption.model';
import { StorageService } from '../storage/storage.service';
import * as i0 from "@angular/core";
export declare class CaptionService {
    private storageService;
    private langsOptions;
    captionLangSelected: CaptionsLangOption;
    captionLangObs: Observable<CaptionsLangOption>;
    private _captionLang;
    private captionsEnabled;
    constructor(storageService: StorageService);
    setLanguageOptions(options: CaptionsLangOption[] | undefined): void;
    setCaptionsEnabled(value: boolean): void;
    areCaptionsEnabled(): boolean;
    setLanguage(lang: string): void;
    getLangSelected(): CaptionsLangOption;
    getCaptionLanguages(): CaptionsLangOption[];
    private updateLangSelected;
    static ɵfac: i0.ɵɵFactoryDeclaration<CaptionService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<CaptionService>;
}