R2StorageGroupByOutputType: {
    _count: R2StorageCountAggregateOutputType | null;
    _max: R2StorageMaxAggregateOutputType | null;
    _min: R2StorageMinAggregateOutputType | null;
    dbId: string;
    key: string;
    tempUrl: string | null;
    urlExpiresAt: Date | null;
}