net.minecraft.world.level.storage

Class
CommandStorage
CommandStorage$Container
DataVersion
DerivedLevelData
DimensionDataStorage
LevelResource
LevelStorageException
LevelStorageSource
LevelStorageSource$LevelCandidates
LevelStorageSource$LevelDirectory
LevelStorageSource$LevelStorageAccess
LevelStorageSource$LevelStorageAccess$1
LevelStorageSource$LevelStorageAccess$2
LevelSummary
LevelSummary$SymlinkLevelSummary
LevelVersion
PlayerDataStorage
PrimaryLevelData

Interface
LevelData
ServerLevelData
WorldData
WritableLevelData

Enum
LevelSummary$BackupStatus
PrimaryLevelData$SpecialWorldProperty