@Override
    public AddTagsResult addTags(AddTagsRequest request) {
        request = beforeClientExecution(request);
        return executeAddTags(request);
    }
<p>
Adds the specified tags to the specified load balancer. Each load balancer can have a maximum of 10 tags.
</p>
<p>
Each tag consists of a key and an optional value. If a tag with the same key is already associated with the load
balancer, <code>AddTags</code> updates its value.
</p>
<p>
For more information, see <a
href="https://docs.aws.amazon.com/elasticloadbalancing/latest/classic/add-remove-tags.html">Tag Your Classic Load
Balancer</a> in the <i>Classic Load Balancers Guide</i>.
</p>

@param addTagsRequest
       Contains the parameters for AddTags.
@return Result of the AddTags operation returned by the service.
@throws LoadBalancerNotFoundException
        The specified load balancer does not exist.
@throws TooManyTagsException
        The quota for the number of tags that can be assigned to a load balancer has been reached.
@throws DuplicateTagKeysException
        A tag key was specified more than once.
@sample AmazonElasticLoadBalancing.AddTags
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/elasticloadbalancing-2012-06-01/AddTags" target="_top">AWS
     API Documentation</a>
aws-java-sdk-elasticloadbalancing/src/main/java/com/amazonaws/services/elasticloadbalancing/AmazonElasticLoadBalancingClient.java