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

        this.instances = new java.util.ArrayList<Instance>(instances);
    }
<p>
If <code>Label</code> represents an object, <code>Instances</code> contains the bounding boxes for each instance
of the detected object. Bounding boxes are returned for common object labels such as people, cars, furniture,
apparel or pets.
</p>

@param instances
       If <code>Label</code> represents an object, <code>Instances</code> contains the bounding boxes for each
       instance of the detected object. Bounding boxes are returned for common object labels such as people,
       cars, furniture, apparel or pets.
aws-java-sdk-rekognition/src/main/java/com/amazonaws/services/rekognition/model/Label.java