test trash function content test trashcan content project project manag manag open project test object model model manag factori build test model core helper set namespac root object cl model core factori build object cl model core factori build object cl model core factori build object cl model core factori build root object model facad own element root collect let make bit difficult set target target manag instanc set target cl trash model pump flush model event todo test object remov namespac collect model facad own element root trash trash delet model uml factori remov delet model uml factori remov cl delet model uml factori remov cl delet model uml factori remov cl delet model uml factori remov cl 