@Override
    public boolean add(AdPreset adPreset) {
        return !(adPreset == null || !adPreset.isValid())
                && super.add(adPreset);
    }
@Override
    public boolean add(AdPreset adPreset) {
        return !(adPreset == null || !adPreset.isValid())
                && super.add(adPreset);
    }
@ Override public boolean add ( AdPreset adPreset ) { return ! ( adPreset == null || ! adPreset . isValid ( ) ) && super . add ( adPreset ) ; }
Tries to add an item to collection if it is valid {@link AdPreset#isValid()}
@return true if item was added, false - otherwise
Tries to add an item to collection if it is valid {