def by_managed_device_mobile_app_configuration_id(self,managed_device_mobile_app_configuration_id: str) -> ManagedDeviceMobileAppConfigurationItemRequestBuilder:
        """
        Provides operations to manage the mobileAppConfigurations property of the microsoft.graph.deviceAppManagement entity.
        param managed_device_mobile_app_configuration_id: The unique identifier of managedDeviceMobileAppConfiguration
        Returns: ManagedDeviceMobileAppConfigurationItemRequestBuilder
        """
        if managed_device_mobile_app_configuration_id is None:
            raise TypeError("managed_device_mobile_app_configuration_id cannot be null.")
        from .item.managed_device_mobile_app_configuration_item_request_builder import ManagedDeviceMobileAppConfigurationItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["managedDeviceMobileAppConfiguration%2Did"] = managed_device_mobile_app_configuration_id
        return ManagedDeviceMobileAppConfigurationItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the mobileAppConfigurations property of the microsoft.graph.deviceAppManagement entity.
        param managed_device_mobile_app_configuration_id: The unique identifier of managedDeviceMobileAppConfiguration
        Returns: ManagedDeviceMobileAppConfigurationItemRequestBuilder
        
msgraph/generated/device_app_management/mobile_app_configurations/mobile_app_configurations_request_builder.py