def set_description(self, value: Union[Literal, Identifier, str], lang: str= None):
        """ Set the DC Description literal value

        :param value: Value of the title node
        :param lang: Language in which the value is
        """
        return self.metadata.add(key=DC.description, value=value, lang=lang)
def set_description ( self , value : Union [ Literal , Identifier , str ] , lang : str = None ) : return self . metadata . add ( key = DC . description , value = value , lang = lang )
Set the DC Description literal value

        :param value: Value of the title node
        :param lang: Language in which the value is