async def get(self,request_configuration: Optional[RequestConfiguration[AuthenticationCombinationConfigurationItemRequestBuilderGetQueryParameters]] = None) -> Optional[AuthenticationCombinationConfiguration]:
        """
        Settings that may be used to require specific types or instances of an authentication method to be used when authenticating with a specified combination of authentication methods.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[AuthenticationCombinationConfiguration]
        """
        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.authentication_combination_configuration import AuthenticationCombinationConfiguration

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

        Settings that may be used to require specific types or instances of an authentication method to be used when authenticating with a specified combination of authentication methods.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[AuthenticationCombinationConfiguration]
        
msgraph/generated/policies/authentication_strength_policies/item/combination_configurations/item/authentication_combination_configuration_item_request_builder.py