@Override
    public Object jmeClone() {
        try {
            MorphTrack clone = (MorphTrack) super.clone();
            return clone;
        } catch (CloneNotSupportedException ex) {
            throw new AssertionError();
        }
    }
De-serialize this track from the specified importer, for example when
loading from a J3O file.

@param im the importer to use (not null)
@throws IOException from the importer
jme3-core/src/main/java/com/jme3/anim/MorphTrack.java