code: @Override
      public DescribeResourceGroupsResult describeResourceGroups(DescribeResourceGroupsRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeResourceGroups(request);
      }
docs: <p>
  Describes the resource groups that are specified by the ARNs of the resource groups.
  </p>
  
  @param describeResourceGroupsRequest
  @return Result of the DescribeResourceGroups operation returned by the service.
  @throws InternalException
  Internal server error.
  @throws InvalidInputException
  The request was rejected because an invalid or out-of-range value was supplied for an input parameter.
  @sample AmazonInspector.DescribeResourceGroups
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/inspector-2016-02-16/DescribeResourceGroups"
  target="_top">AWS API Documentation</a>