@Override
    public void read(JmeImporter im) throws IOException {
        InputCapsule capsule = im.getCapsule(this);
        location = (Vector3f) capsule.readSavable("location", new Vector3f());
        rotation = (Matrix3f) capsule.readSavable("rotation", new Matrix3f());
        shape = (CollisionShape) capsule.readSavable("shape", new BoxCollisionShape(new Vector3f(1, 1, 1)));
    }
De-serialize this shape, for example when loading from a J3O file.

@param im importer (not null)
@throws IOException from importer
jme3-jbullet/src/main/java/com/jme3/bullet/collision/shapes/infos/ChildCollisionShape.java