import { DynamicModule } from '@nestjs/common';
import { CacheModuleAsyncConfigOptions } from './domain/interfaces';
/**
 * Redis-based Cache configuration module.
 *
 * Registers Redis instances (master and optionally slave) using Keyv,
 * and exposes a high-level cache service via the `CLIENT_CACHE` token.
 * This allows performing operations like `get`, `set`, `del`, and `reset`
 * through a unified interface (`CacheServicePort`).
 *
 * Usage:
 * ```ts
 * @Injectable()
 * export class ExampleService {
 *   constructor(
 *     @Inject(CLIENT_CACHE) private readonly cacheService: CacheServicePort
 *   ) {}
 * }
 *
 * */
export declare class CacheConfigModule {
    /**
     * @param options.cacheMaster Required. Primary Redis instance config (host, port, password, optional TLS).
     * @param options.cacheSlave Optional. Secondary (read-only) Redis instance config (same structure).
     * @param options.database Optional. Redis database index to use. Defaults to 0.
     * @param options.retryAttempts Optional. Number of retry attempts before failing. Defaults to 3.
     * @param options.retryDelay Optional. Delay (ms) between retries. Defaults to 2000ms.
     * @param options.isGlobal Optional. Whether to register the module globally. Defaults to false.
     * @returns A dynamic module that provides `CLIENT_CACHE` (as `CacheServicePort`).
     */
    static configAsync(options: CacheModuleAsyncConfigOptions): DynamicModule;
}
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