def protection_units(self) -> ProtectionUnitsRequestBuilder:
        """
        Provides operations to manage the protectionUnits property of the microsoft.graph.backupRestoreRoot entity.
        """
        from .protection_units.protection_units_request_builder import ProtectionUnitsRequestBuilder

        return ProtectionUnitsRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to manage the protectionUnits property of the microsoft.graph.backupRestoreRoot entity.
        
msgraph/generated/solutions/backup_restore/backup_restore_request_builder.py