import typing import strawberry @strawberry.type class StorageVolume: """Stats and basic info about a volume or a system disk.""" total_space: str free_space: str used_space: str root: bool name: str model: typing.Optional[str] serial: typing.Optional[str] type: str usages: list["StorageUsageInterface"] @strawberry.interface class StorageUsageInterface: used_space: str volume: typing.Optional[StorageVolume] title: str