1  import { Mode } from './credentials';
 2  /**
 3   * Cache for credential providers.
 4   *
 5   * Given an account and an operating mode (read or write) will return an
 6   * appropriate credential provider for credentials for the given account. The
 7   * credential provider will be cached so that multiple AWS clients for the same
 8   * environment will not make multiple network calls to obtain credentials.
 9   *
10   * Will use default credentials if they are for the right account; otherwise,
11   * all loaded credential provider plugins will be tried to obtain credentials
12   * for the given account.
13   */
14  export declare class CredentialPlugins {
15      private readonly cache;
16      fetchCredentialsFor(awsAccountId: string, mode: Mode): Promise<PluginCredentials | undefined>;
17      get availablePluginNames(): string[];
18      private lookupCredentials;
19  }
20  export interface PluginCredentials {
21      readonly credentials: AWS.Credentials;
22      readonly pluginName: string;
23  }