net.minecraft.world.level.chunk.storage

Class
ChunkSerializer
ChunkStorage
IOWorker
IOWorker$PendingStore
OldChunkStorage
OldChunkStorage$OldLevelChunk
RegionBitmap
RegionFile
RegionFile$ChunkBuffer
RegionFileStorage
RegionFileVersion
SectionStorage

Interface
RegionFile$CommitOp
RegionFileVersion$StreamWrapper

Enum
IOWorker$Priority