option_1=StrOption(name="var1",doc="a first variable",default="no",properties=frozenset({"mandatory","standard"}),informations={'type':'string','test':('test1',)})
option_2=StrOption(name="var2",doc="a second variable",default="non",properties=frozenset({"mandatory","standard"}),informations={'type':'string','test':('test1',)})
option_3=StrOption(name="var3",doc="a third variable",properties=frozenset({"basic","mandatory"}),informations={'type':'string'})