import { InjectionToken, ModuleWithProviders } from '@angular/core';
import { TranslocoLoader } from './transloco.loader';
import { HashMap, Translation } from './types';
import { Observable } from 'rxjs';
import { TranslocoConfig } from './transloco.config';
import { TranslocoService } from './transloco.service';
export interface TranslocoTestingOptions {
    translocoConfig?: Partial<TranslocoConfig>;
    preloadLangs?: boolean;
    langs?: HashMap<Translation>;
}
export declare class TestingLoader implements TranslocoLoader {
    private langs;
    constructor(langs: HashMap<Translation>);
    getTranslation(lang: string): Observable<Translation> | Promise<Translation>;
}
export declare function initTranslocoService(service: TranslocoService, langs: HashMap<Translation>, options: TranslocoTestingOptions): () => Promise<void> | Promise<HashMap<any>[]>;
export declare class TranslocoTestingModule {
    static forRoot(options: TranslocoTestingOptions): {
        ngModule: typeof TranslocoTestingModule;
        providers: (({
            provide: InjectionToken<{}>;
            useClass: typeof import("./transloco.transpiler").DefaultTranspiler;
            deps: InjectionToken<{}>[];
        } | {
            provide: InjectionToken<{}>;
            useClass: typeof import("./transloco-missing-handler").DefaultHandler;
            deps?: undefined;
        } | {
            provide: InjectionToken<{}>;
            useClass: typeof import("./transloco.interceptor").DefaultInterceptor;
            deps?: undefined;
        } | {
            provide: InjectionToken<import("./transloco-fallback-strategy").TranslocoFallbackStrategy>;
            useClass: typeof import("./transloco-fallback-strategy").DefaultFallbackStrategy;
            deps: InjectionToken<{}>[];
        })[] | {
            provide: InjectionToken<HashMap<HashMap<any>>>;
            useValue: HashMap<HashMap<any>>;
            useFactory?: undefined;
            deps?: undefined;
            multi?: undefined;
            useClass?: undefined;
        } | {
            provide: InjectionToken<TranslocoTestingOptions>;
            useValue: TranslocoTestingOptions;
            useFactory?: undefined;
            deps?: undefined;
            multi?: undefined;
            useClass?: undefined;
        } | {
            provide: InjectionToken<(() => void)[]>;
            useFactory: typeof initTranslocoService;
            deps: (typeof TranslocoService | InjectionToken<HashMap<HashMap<any>>>)[];
            multi: boolean;
            useValue?: undefined;
            useClass?: undefined;
        } | {
            provide: InjectionToken<HashMap<any>>;
            useClass: typeof TestingLoader;
            useValue?: undefined;
            useFactory?: undefined;
            deps?: undefined;
            multi?: undefined;
        } | {
            provide: InjectionToken<{}>;
            useValue: TranslocoConfig;
            useFactory?: undefined;
            deps?: undefined;
            multi?: undefined;
            useClass?: undefined;
        })[];
    };
    /** @deprecated - use forRoot instead */
    static withLangs(langs: HashMap<Translation>, config?: Partial<TranslocoConfig>, options?: TranslocoTestingOptions): ModuleWithProviders<TranslocoTestingModule>;
}