import { Cache } from "../Cache.js";
import { AgentContext } from "../../../agent/context/AgentContext.js";

//#region src/modules/cache/singleContextLruCache/SingleContextStorageLruCache.d.ts
interface SingleContextStorageLruCacheOptions {
  /** The maximum number of entries allowed in the cache */
  limit: number;
}
/**
 * Cache that leverages the storage associated with the agent context to store cache records.
 * It will keep an in-memory cache of the records to avoid hitting the storage on every read request.
 * Therefor this cache is meant to be used with a single instance of the agent.
 *
 * Due to keeping an in-memory copy of the cache, it is also not meant to be used with multiple
 * agent context instances (meaning multi-tenancy), as they will overwrite the in-memory cache.
 *
 * However, this means the cache is not meant for usage with multiple instances.
 */
declare class SingleContextStorageLruCache implements Cache {
  private limit;
  private _cache?;
  private _contextCorrelationId?;
  constructor({
    limit
  }: SingleContextStorageLruCacheOptions);
  get<CacheValue>(agentContext: AgentContext, key: string): Promise<CacheValue | null>;
  set<CacheValue>(agentContext: AgentContext, key: string, value: CacheValue, expiresInSeconds?: number): Promise<void>;
  remove(agentContext: AgentContext, key: string): Promise<void>;
  private getCache;
  private lruFromRecord;
  private fetchCacheRecord;
  private removeExpiredItems;
  private persistCache;
  /**
   * Asserts this class is not used with multiple agent context instances.
   */
  private assertContextCorrelationId;
}
//#endregion
export { SingleContextStorageLruCache, SingleContextStorageLruCacheOptions };
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