code: @Override
      public DescribeGroupResult describeGroup(DescribeGroupRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeGroup(request);
      }
docs: <p>
  Returns an Amazon QuickSight group's description and Amazon Resource Name (ARN).
  </p>
  <p>
  The permissions resource is
  <code>arn:aws:quicksight:us-east-1:<i>&lt;relevant-aws-account-id&gt;</i>:group/default/<i>&lt;group-name&gt;</i> </code>
  .
  </p>
  <p>
  The response is the group object.
  </p>
  <p>
  <b>CLI Sample:</b>
  </p>
  <p>
  <code>aws quicksight describe-group -\-aws-account-id=11112222333 -\-namespace=default -\-group-name=Sales </code>
  </p>
  
  @param describeGroupRequest
  @return Result of the DescribeGroup operation returned by the service.
  @throws AccessDeniedException
  You don't have access to this. The provided credentials couldn't be validated. You might not be
  authorized to carry out the request. Ensure that your account is authorized to use the Amazon QuickSight
  service, that your policies have the correct permissions, and that you are using the correct access keys.
  @throws InvalidParameterValueException
  One or more parameters don't have a valid value.
  @throws ResourceNotFoundException
  One or more resources can't be found.
  @throws ThrottlingException
  Access is throttled.
  @throws PreconditionNotMetException
  One or more preconditions aren't met.
  @throws InternalFailureException
  An internal failure occurred.
  @throws ResourceUnavailableException
  This resource is currently unavailable.
  @sample AmazonQuickSight.DescribeGroup
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/quicksight-2018-04-01/DescribeGroup" target="_top">AWS API
  Documentation</a>