public void setInstances(java.util.Collection<ClassicLinkInstance> instances) {
        if (instances == null) {
            this.instances = null;
            return;
        }

        this.instances = new com.amazonaws.internal.SdkInternalList<ClassicLinkInstance>(instances);
    }
<p>
Information about one or more linked EC2-Classic instances.
</p>

@param instances
       Information about one or more linked EC2-Classic instances.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/DescribeClassicLinkInstancesResult.java