code: @Override
      public OptionGroup createOptionGroup(CreateOptionGroupRequest request) {
          request = beforeClientExecution(request);
          return executeCreateOptionGroup(request);
      }
docs: <p>
  Creates a new option group. You can create up to 20 option groups.
  </p>
  
  @param createOptionGroupRequest
  @return Result of the CreateOptionGroup operation returned by the service.
  @throws OptionGroupAlreadyExistsException
  The option group you are trying to create already exists.
  @throws OptionGroupQuotaExceededException
  The quota of 20 option groups was exceeded for this AWS account.
  @sample AmazonRDS.CreateOptionGroup
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/rds-2014-10-31/CreateOptionGroup" target="_top">AWS API
  Documentation</a>