code: @Override
      public DescribeOptionGroupOptionsResult describeOptionGroupOptions(DescribeOptionGroupOptionsRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeOptionGroupOptions(request);
      }
docs: <p>
  Describes all available options.
  </p>
  
  @param describeOptionGroupOptionsRequest
  @return Result of the DescribeOptionGroupOptions operation returned by the service.
  @sample AmazonRDS.DescribeOptionGroupOptions
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/rds-2014-10-31/DescribeOptionGroupOptions" target="_top">AWS
  API Documentation</a>