code: @Override
      public TagLogGroupResult tagLogGroup(TagLogGroupRequest request) {
          request = beforeClientExecution(request);
          return executeTagLogGroup(request);
      }
docs: <p>
  Adds or updates the specified tags for the specified log group.
  </p>
  <p>
  To list the tags for a log group, use <a>ListTagsLogGroup</a>. To remove tags, use <a>UntagLogGroup</a>.
  </p>
  <p>
  For more information about tags, see <a
  href="https://docs.aws.amazon.com/AmazonCloudWatch/latest/logs/log-group-tagging.html">Tag Log Groups in Amazon
  CloudWatch Logs</a> in the <i>Amazon CloudWatch Logs User Guide</i>.
  </p>
  
  @param tagLogGroupRequest
  @return Result of the TagLogGroup operation returned by the service.
  @throws ResourceNotFoundException
  The specified resource does not exist.
  @throws InvalidParameterException
  A parameter is specified incorrectly.
  @sample AWSLogs.TagLogGroup
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/logs-2014-03-28/TagLogGroup" target="_top">AWS API
  Documentation</a>