public boolean addBean(Object o, Managed managed) if (o==null || contains(o)) return false;
public boolean addBean(Object o, Managed managed) if (contains(o)) return false;
public boolean addBean(Object o, Managed managed) if (contains(o)) return false;
public boolean addBean(Object o, Managed managed) if (contains(o)) return false;
public boolean addBean(Object o, Managed managed) if (o==null || contains(o)) return false;