us copi function function directli todo templat paramet type todo constrain element todo flow depend comment bind context todo content resid param sourc sourc param target target copi model element object sourc object target sourc model element illeg argument except target model element illeg argument except set superclass newli creat element model necessari model element target model element target model element sourc model element sourc target set sourc copi element sourc target target set specif sourc specif target set visibl sourc visibl model impl extens mechan factori copi tag valu sourc target sourc stereotyp note copi element allow copi necessari object model target model model argouml model model facad model target stereotyp sourc stereotyp target stereotyp add 