@Override
    public PhysicsLink jmeClone() {
        try {
            PhysicsLink clone = (PhysicsLink) super.clone();
            return clone;
        } catch (CloneNotSupportedException exception) {
            throw new RuntimeException(exception);
        }
    }
Create a shallow clone for the JME cloner.

@return a new instance
jme3-jbullet/src/main/java/com/jme3/bullet/animation/PhysicsLink.java