public DescribeInstanceHealthRequest withInstances(java.util.Collection<Instance> instances) {
        setInstances(instances);
        return this;
    }
<p>
The IDs of the instances.
</p>

@param instances
       The IDs of the instances.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-elasticloadbalancing/src/main/java/com/amazonaws/services/elasticloadbalancing/model/DescribeInstanceHealthRequest.java