/**
     * A Factory Method pattern which creates an empty a BackedList
     * implementation
     * 
     * @return DOCUMENT ME!
     */
protected List createEmptyList() {
        return new BackedList(this, contentList(), 0);
    }
protected List createEmptyList() {
return new BackedList(this, contentList(), 0);
}
protected List createEmptyList() {
return new BackedList(this, contentList(), 0);
}
protected List createEmptyList() {
return new BackedList(this, contentList(), 0);
}