code: @Override
      public DescribeConfigurationOptionsResult describeConfigurationOptions(DescribeConfigurationOptionsRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeConfigurationOptions(request);
      }
docs: <p>
  Describes the configuration options that are used in a particular configuration template or environment, or that
  a specified solution stack defines. The description includes the values the options, their default values, and an
  indication of the required action on a running environment if an option value is changed.
  </p>
  
  @param describeConfigurationOptionsRequest
  Result message containing a list of application version descriptions.
  @return Result of the DescribeConfigurationOptions operation returned by the service.
  @throws TooManyBucketsException
  The specified account has reached its limit of Amazon S3 buckets.
  @sample AWSElasticBeanstalk.DescribeConfigurationOptions
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/elasticbeanstalk-2010-12-01/DescribeConfigurationOptions"
  target="_top">AWS API Documentation</a>