/**
 * Dependency Injection Container
 *
 * Provides centralized dependency management for testability and flexibility.
 * Eliminates global singletons and enables easy mocking for tests.
 */
import { GraphQLClient } from 'graphql-request';
import { Config } from '../config.js';
import { CacheService } from './cache-adapter.js';
import { CacheInvalidator } from './cache-invalidation.js';
/**
 * Service container interface
 * All application dependencies are accessed through this container
 */
export interface ServiceContainer {
    /** GraphQL client for backend communication */
    graphqlClient: GraphQLClient;
    /** Cache service for data caching */
    cache: CacheService;
    /** Cache invalidation coordinator */
    cacheInvalidator: CacheInvalidator;
    /** Application configuration */
    config: Config;
}
/**
 * Create production container with real implementations
 */
export declare function createContainer(graphqlClient: GraphQLClient, cache: CacheService, config: Config): ServiceContainer;
/**
 * Create test container with mock implementations
 * Useful for unit testing without real dependencies
 */
export declare function createTestContainer(overrides?: Partial<ServiceContainer>): ServiceContainer;
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