docs: def syntheticMemberDecorator(self,
                                   memberName,
                                   defaultValue,
                                   contract,
                                   readOnly,
                                   privateMemberName,
                                   memberDelegate):
          """
      :type memberName: str
      :type readOnly: bool
      :type privateMemberName: str|None
      :type memberDelegate: IMemberDelegate
  """
          def decoratorFunction(cls):
              syntheticMember = SyntheticMember(memberName,
                                                defaultValue,
                                                contract,
                                                readOnly,
                                                privateMemberName,
                                                memberDelegate = memberDelegate)
  
              SyntheticClassController(cls).addSyntheticMember(syntheticMember)
  
              return cls
          return decoratorFunction