@Override
    public void write(JmeExporter ex) throws IOException {
        OutputCapsule oc = ex.getCapsule(this);
        oc.writeSavableArrayList((ArrayList<List<Vector3f>>) vertices, "vertices", null);
        oc.writeSavableArrayList((ArrayList<List<Vector3f>>) normals, "normals", null);
    }
Called internally by com.jme3.util.clone.Cloner.  Do not call directly.
jme3-core/src/main/java/com/jme3/effect/shapes/EmitterMeshVertexShape.java