import { EnvironmentProviders } from '@angular/core';
import { TranslateLoader, TranslationObject } from '@ngx-translate/core';
import { Observable } from 'rxjs';
import { RuntimeTranslationProviderOptions } from './translation.provider.types';
import * as i0 from "@angular/core";
/**
 * Custom TranslateLoader that defers injection of TranslationService.
 *
 * This loader is instantiated by ngx-translate when first needed.
 * By deferring the inject() call until getTranslation is called,
 * we avoid circular dependency issues during DI setup.
 *
 * Key: DO NOT use providedIn: 'root' - let ngx-translate manage the lifecycle.
 */
export declare class RuntimeTranslationCustomLoader implements TranslateLoader {
    private readonly injector;
    getTranslation(lang: string): Observable<TranslationObject>;
    static ɵfac: i0.ɵɵFactoryDeclaration<RuntimeTranslationCustomLoader, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<RuntimeTranslationCustomLoader>;
}
/**
 * Configuration options for the runtime translation provider (like themes).
 *
 * @property appId - Optional namespace to avoid cache collisions across MFEs
 * @property sse - Optional SSE config for runtime update checks (disabled by default)
 * @property updateStream - Optional Observable for runtime update checks (disabled by default)
 *
 * @example
 * ```typescript
 * // Default mode
 * provideRuntimeTranslation('/assets/config/translation-config.json')
 *
 * // SSE updates (optional)
 * provideRuntimeTranslation('/assets/config/translation-config.json', {
 *   sse: { url: '/api/updates' }
 * })
 * ```
 */
/**
 * Build runtime translation loader options with defaults
 */
/**
 * Provide Translation service with configuration loaded from a JSON file at runtime (like themes).
 *
 * This is the ONLY provider that sets up ngx-translate. It:
 * - Loads translation configuration from a JSON file
 * - Sets up ngx-translate with custom loader that loads from multiple paths
 * - Supports hot-reload on navigation
 * - Supports offline scenarios with caching
 *
 * @param configPath - Path to translation configuration JSON file
 * @param options - Optional loader configuration
 * @returns Environment providers
 *
 * @example
 * ```typescript
 * bootstrapApplication(AppComponent, [
 *   provideRuntimeTranslation('/assets/translation/translation-config.json')
 * ]);
 * ```
 */
export declare function provideRuntimeTranslation(configPath: string, options?: RuntimeTranslationProviderOptions): EnvironmentProviders;