1  import { Account } from './sdk-provider';
 2  /**
 3   * Disk cache which maps access key IDs to account IDs.
 4   * Usage:
 5   *   cache.get(accessKey) => accountId | undefined
 6   *   cache.put(accessKey, accountId)
 7   */
 8  export declare class AccountAccessKeyCache {
 9      /**
10       * Max number of entries in the cache, after which the cache will be reset.
11       */
12      static readonly MAX_ENTRIES = 1000;
13      private readonly cacheFile;
14      /**
15       * @param filePath Path to the cache file
16       */
17      constructor(filePath?: string);
18      /**
19       * Tries to fetch the account ID from cache. If it's not in the cache, invokes
20       * the resolver function which should retrieve the account ID and return it.
21       * Then, it will be stored into disk cache returned.
22       *
23       * Example:
24       *
25       *    const accountId = cache.fetch(accessKey, async () => {
26       *      return await fetchAccountIdFromSomewhere(accessKey);
27       *    });
28       *
29       * @param accessKeyId
30       * @param resolver
31       */
32      fetch<A extends Account>(accessKeyId: string, resolver: () => Promise<A>): Promise<Account>;
33      /** Get the account ID from an access key or undefined if not in cache */
34      get(accessKeyId: string): Promise<Account | undefined>;
35      /** Put a mapping betweenn access key and account ID */
36      put(accessKeyId: string, account: Account): Promise<void>;
37      private loadMap;
38      private saveMap;
39  }