async def get(self,request_configuration: Optional[RequestConfiguration[UserExperienceAnalyticsDeviceStartupProcessPerformanceRequestBuilderGetQueryParameters]] = None) -> Optional[UserExperienceAnalyticsDeviceStartupProcessPerformanceCollectionResponse]:
        """
        User experience analytics device Startup Process Performance
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[UserExperienceAnalyticsDeviceStartupProcessPerformanceCollectionResponse]
        """
        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_experience_analytics_device_startup_process_performance_collection_response import UserExperienceAnalyticsDeviceStartupProcessPerformanceCollectionResponse

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

        User experience analytics device Startup Process Performance
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[UserExperienceAnalyticsDeviceStartupProcessPerformanceCollectionResponse]
        
msgraph/generated/device_management/user_experience_analytics_device_startup_process_performance/user_experience_analytics_device_startup_process_performance_request_builder.py