import * as i0 from '@angular/core';
import { InjectionToken, Provider } from '@angular/core';
import { TranslateLoader, TranslationObject } from '@ngx-translate/core';
import { Observable } from 'rxjs';

interface TranslateHttpLoaderConfig {
    prefix?: string;
    suffix?: string;
    enforceLoading: boolean;
    useHttpBackend: boolean;
    /**
     * If true, a failed HTTP fetch (e.g. 404) propagates the error and fails
     * the whole language load (v17 behaviour). If false (default), each
     * resource failure is caught and replaced with an empty object, with a
     * `console.warn` per failure; remaining resources still contribute their
     * keys. Set this to `true` if you want deploys to fail loudly on a
     * missing translation file rather than serve partial translations.
     */
    failOnError?: boolean;
}
interface TranslateHttpLoaderResource {
    prefix: string;
    suffix?: string;
}
interface TranslateMultiHttpLoaderConfig {
    resources: (string | TranslateHttpLoaderResource)[];
    enforceLoading: boolean;
    useHttpBackend: boolean;
    /** See {@link TranslateHttpLoaderConfig.failOnError}. */
    failOnError?: boolean;
}
declare const TRANSLATE_HTTP_LOADER_CONFIG: InjectionToken<Partial<TranslateMultiHttpLoaderConfig>>;
declare class TranslateHttpLoader implements TranslateLoader {
    private http;
    private config;
    constructor();
    /**
     * Gets the translations from the server
     */
    getTranslation(lang: string): Observable<TranslationObject>;
    static ɵfac: i0.ɵɵFactoryDeclaration<TranslateHttpLoader, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TranslateHttpLoader>;
}
declare function provideTranslateHttpLoader(config?: Partial<TranslateHttpLoaderConfig | TranslateMultiHttpLoaderConfig>): Provider[];
declare function provideTranslateMultiHttpLoader(config?: Partial<TranslateMultiHttpLoaderConfig>): Provider[];

export { TRANSLATE_HTTP_LOADER_CONFIG, TranslateHttpLoader, provideTranslateHttpLoader, provideTranslateMultiHttpLoader };
export type { TranslateHttpLoaderConfig, TranslateHttpLoaderResource, TranslateMultiHttpLoaderConfig };