import { CreateCacheOptions } from 'cache-manager';
import { Keyv, KeyvStoreAdapter } from 'keyv';
/**
 * Interface defining Cache Manager configuration options.
 *
 * @publicApi
 */
export interface CacheManagerOptions extends Omit<CreateCacheOptions, 'stores'> {
    /**
     * Cache storage manager.  Default is `'memory'` (in-memory store).  See
     * [Different stores](https://docs.nestjs.com/techniques/caching#different-stores)
     * for more info.
     */
    stores?: Keyv | KeyvStoreAdapter | (Keyv | KeyvStoreAdapter)[];
    /**
     * Cache storage namespace, default is `keyv`.
     * This is a global configuration that applies to all `KeyvStoreAdapter` instances.
     */
    namespace?: string;
    /**
     * Default time to live in milliseconds.
     * This is the maximum duration an item can remain in the cache before being removed.
     */
    ttl?: number;
    /**
     * Optional. If refreshThreshold is set, the TTL will be checked after retrieving a value from the cache.
     * If the remaining TTL is less than the refreshThreshold, the system will update the value asynchronously.
     */
    refreshThreshold?: number;
    /**
     * Default is false.
     * If set to true, the system will not block when using multiple stores.
     * For more information on how this affects function types, visit [documentation](https://www.npmjs.com/package/cache-manager#options).
     */
    nonBlocking?: boolean;
}