def xml(
        self,
        nb_elements: int = 10,
        variable_nb_elements: bool = True,
        value_types: Optional[TypesSpec] = None,
        allowed_types: Optional[TypesSpec] = None,
    ) -> str:
        """
        Returns some XML.

        :nb_elements: number of elements for dictionary
        :variable_nb_elements: is use variable number of elements for dictionary
        :value_types: type of dictionary values

        Note: this provider required xmltodict library installed
        """
        try:
            import xmltodict
        except ImportError:
            raise UnsupportedFeature("`xml` requires the `xmltodict` Python library.", "xml")
        _dict = self.generator.pydict(
            nb_elements=nb_elements,
            variable_nb_elements=variable_nb_elements,
            value_types=value_types,
            allowed_types=allowed_types,
        )
        _dict = {self.generator.word(): _dict}
        return xmltodict.unparse(_dict)

        Returns some XML.

        :nb_elements: number of elements for dictionary
        :variable_nb_elements: is use variable number of elements for dictionary
        :value_types: type of dictionary values

        Note: this provider required xmltodict library installed
        
faker/providers/misc/__init__.py