Save Backend

ProjectDir/Saved/SaveGames/
├── SaveSlot_001/
│   ├── Players/
│   │   ├── player_guid_1.sav
│   │   └── player_guid_2.sav
│   └── World_Containers/
│       ├── container_guid_1.sav
│       └── container_guid_2.sav

class ISaveBackend
{
public:
    virtual bool SaveRecord(const FString& Bucket, const FGuid& Guid, const FSaveRecord& Record) = 0;
    virtual FSaveRecord LoadRecord(const FString& Bucket, const FGuid& Guid) = 0;
    virtual bool DeleteRecord(const FString& Bucket, const FGuid& Guid) = 0;
};