helper method realiz interfac param param col param visit collect collect intern realiz interfac object collect col set visit visit add classifi classifi clazz classifi depend depend clazz client depend stereotyp stereo stereotyp item depend stereotyp depend abstract stereo core factori realiz stereotyp equal stereo abstract equal stereo base col add depend supplier object supertyp supertyp visit contain supertyp intern realiz interfac supertyp col visit col 