if ( propDefn == null || content == null ) return;
	public static void revisePropertyNameSpace( Module module,			DesignElement content, IElementPropertyDefn propDefn,			String nameSpace )	{		if ( propDefn.getTypeCode( ) != IPropertyType.ELEMENT_REF_TYPE				&& propDefn.getTypeCode( ) != IPropertyType.EXTENDS_TYPE )			return;		Object value = content.getLocalProperty( module,				(ElementPropertyDefn) propDefn );		if ( value == null )			return;		ReferenceValue refValue = (ReferenceValue) value;		refValue.setLibraryNamespace( nameSpace );	}