test copi test copi object model model manag factori creat model object model model manag factori creat model copi helper helper model copi helper object object object object object st model core factori creat model core helper add own element st model extens mechan factori build stereotyp st model extens mechan helper add base st model core helper add own element st copi right helper copi model facad namespac check copi chang thing model core helper set test model core helper set visibl model visibl kind model core helper set specif add tag valu tv type tv valu helper copi check copi copi isn modifi sourc chang model core helper set test model core helper set visibl model visibl kind model core helper set specif updat tag valu tv type tv valu model extens mechan helper add copi stereotyp st equal test model facad model facad visibl model visibl kind model facad specif equal tv valu model facad valu tag model facad tag valu tv type copi just lucki shot helper copi check copi copi look like copi eachoth helper copi check copi 