Iterator mProps = matched.getMatchedPropertyDeclarations();
Iterator mProps = matched.getCascadedPropertyDeclarations();
    private void derive(CascadedStyle matched) {        if (matched == null) {            return;        }//nothing to derive        Iterator mProps = matched.getMatchedPropertyDeclarations();        int i = 0;        while (mProps.hasNext()) {            PropertyDeclaration pd = (PropertyDeclaration) mProps.next();            DerivedProperty prop = deriveProperty(pd.getCSSName(), pd.getValue());            _derivedPropertiesById[pd.getCSSName().getAssignedID()] = prop;        }    }