option_3=StrOption(name="source_variable_1",doc="the first source variable",default="val1",properties=frozenset({"mandatory","standard"}),informations={'type':'string'})
option_4=StrOption(name="source_variable_2",doc="the second source variable",default="val2",properties=frozenset({"mandatory","standard"}),informations={'type':'string'})
option_8=StrOption(name="source_variable_1",doc="the first source variable",default="val1",properties=frozenset({"mandatory","standard"}),informations={'type':'string'})
option_9=StrOption(name="source_variable_2",doc="the second source variable",default="val2",properties=frozenset({"mandatory","standard"}),informations={'type':'string'})