code: public void assertCurrentStageExists(final String secretId) {
          final GetSecretValueRequest getSecretValueRequest = new GetSecretValueRequest();
          getSecretValueRequest.setSecretId(secretId);
          getSecretValueRequest.setVersionStage(CURRENT.getAwsName());
          getDelegate().getSecretValue(getSecretValueRequest);
      }
docs: Ensure that the given secret has an AWSCURRENT value. This requires the permission
  <code>secretsmanager:GetSecretValue</code>
  
  @param secretId
  the ARN of the secret.
  @throws ResourceNotFoundException if the secret doesn't exist or it has no AWSCURRENT stage