import { PipeTransform } from '@angular/core';
import { MtnaI18nLanguageOption, MtnaLanguageId } from '../models';
import { MtnaI18nService } from '../services';
import * as i0 from "@angular/core";
/**
 * Given all the language options an application supports,
 * transform it into a unique array of language IDs
 */
export declare class MtnaOptionsToLanguageIdsPipe implements PipeTransform {
    private i18nService;
    constructor(i18nService: MtnaI18nService);
    /**
     * @param options all the i18n language options for an app
     * @returns a unique array of language IDs
     */
    transform(options: MtnaI18nLanguageOption[]): Array<MtnaLanguageId>;
    static ɵfac: i0.ɵɵFactoryDeclaration<MtnaOptionsToLanguageIdsPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<MtnaOptionsToLanguageIdsPipe, "mtnaOptionsToLanguageIds">;
}
export declare class MtnaOptionsToLanguageIdsPipeModule {
    static ɵfac: i0.ɵɵFactoryDeclaration<MtnaOptionsToLanguageIdsPipeModule, never>;
    static ɵmod: i0.ɵɵNgModuleDeclaration<MtnaOptionsToLanguageIdsPipeModule, [typeof MtnaOptionsToLanguageIdsPipe], never, [typeof MtnaOptionsToLanguageIdsPipe]>;
    static ɵinj: i0.ɵɵInjectorDeclaration<MtnaOptionsToLanguageIdsPipeModule>;
}