import type { Credentials } from '@aws-sdk/types';
export declare function initIamClient(region: string, credentials: Credentials): void;
/**
 * This method will throw an exception only in case we have no connection
 * 1) there is a connection and we return user.arn.
 * 2) there is a connection but no permission for the current user, we still get his user arn in the error message
 * 3) there is a problem in the connection to the aws api, then throw an error with the err
 */
export declare function getUserArn(): Promise<string>;
