&& prop.getTypeCode( ) == PropertyType.ELEMENT_REF_TYPE )
&& prop.getTypeCode( ) == IPropertyType.ELEMENT_REF_TYPE )
	protected void updateReference( PropertyDefn prop, Object value )	{		if ( value instanceof ElementRefValue				&& prop.getTypeCode( ) == PropertyType.ELEMENT_REF_TYPE )		{			ElementRefValue oldRef = (ElementRefValue) getLocalProperty( null,					prop.getName( ) );			doUpdateReference( oldRef, (ElementRefValue) value, prop );		}	}