test delet contain statechart diagram diagram delet test delet state diagram project project manag manag open project equal diagram list size size member member size size diagram diagram list size test diagram object model model manag factori build test object model core factori build statediagram object machin model state machin factori build state machin uml state diagram uml state diagram model facad namespac machin machin add member equal size diagram diagram list size equal size member member size trash model pump flush model event trash model uml factori remov statemachin trash model uml factori remov machin equal size diagram diagram list size equal size member member size 