code: @Override
      public ListFieldLevelEncryptionConfigsResult listFieldLevelEncryptionConfigs(ListFieldLevelEncryptionConfigsRequest request) {
          request = beforeClientExecution(request);
          return executeListFieldLevelEncryptionConfigs(request);
      }
docs: <p>
  List all field-level encryption configurations that have been created in CloudFront for this account.
  </p>
  
  @param listFieldLevelEncryptionConfigsRequest
  @return Result of the ListFieldLevelEncryptionConfigs operation returned by the service.
  @throws InvalidArgumentException
  The argument is invalid.
  @sample AmazonCloudFront.ListFieldLevelEncryptionConfigs
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/cloudfront-2018-11-05/ListFieldLevelEncryptionConfigs"
  target="_top">AWS API Documentation</a>