return (Set) ObjectUtils.defaultIfNull(m_aliases, new LinkedHashSet(0));
return m_aliases;
    public Set getAliases() {        // When creating the Set directly, rather than indirectly via Hibernate,        // use a LinkedHashSet for stable ordering of the Set, purely to simplify        // unit testing.        return (Set) ObjectUtils.defaultIfNull(m_aliases, new LinkedHashSet(0));    }