async def get(self,request_configuration: Optional[RequestConfiguration[SubscriptionsRequestBuilderGetQueryParameters]] = None) -> Optional[SubscriptionCollectionResponse]:
        """
        The set of subscriptions on the item. Only supported on the root of a drive.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[SubscriptionCollectionResponse]
        """
        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.subscription_collection_response import SubscriptionCollectionResponse

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

        The set of subscriptions on the item. Only supported on the root of a drive.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[SubscriptionCollectionResponse]
        
msgraph/generated/drives/item/items/item/subscriptions/subscriptions_request_builder.py