classifi classifi state argouml uml ui uml combo box model build model list build model list object model project manag manag current project model collect classifi arrai list model core helper classifi model collect list arrai list object classifi classifi model facad classifi state classifi list add classifi current type normal won need know target object type model facad type target model facad classifi state type classifi type model facad type type type list contain type list add type set element list 