async def get(self,request_configuration: Optional[RequestConfiguration[QueryParameters]] = None) -> Optional[UserRegistrationMethodSummary]:
        """
        Get the number of users registered for each authentication method.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[UserRegistrationMethodSummary]
        Find more info here: https://learn.microsoft.com/graph/api/authenticationmethodsroot-usersregisteredbymethod?view=graph-rest-1.0
        """
        request_info = self.to_get_request_information(
            request_configuration
        )
        from ....models.o_data_errors.o_data_error import ODataError

        error_mapping: dict[str, type[ParsableFactory]] = {
            "XXX": ODataError,
        }
        if not self.request_adapter:
            raise Exception("Http core is null") 
        from ....models.user_registration_method_summary import UserRegistrationMethodSummary

        return await self.request_adapter.send_async(request_info, UserRegistrationMethodSummary, error_mapping)

        Get the number of users registered for each authentication method.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[UserRegistrationMethodSummary]
        Find more info here: https://learn.microsoft.com/graph/api/authenticationmethodsroot-usersregisteredbymethod?view=graph-rest-1.0
        
msgraph/generated/reports/authentication_methods/users_registered_by_method/users_registered_by_method_request_builder.py