CLASS btr net/minecraft/world/chunk/storage/VersionedRegionFileCache
	FIELD a featureUpdater Lcdo;
	FIELD c dataFixer Lcom/mojang/datafixers/DataFixer;
	METHOD <init> (Lcom/mojang/datafixers/DataFixer;)V
		ARG 1 dataFixer
	METHOD a updateChunkTag (Lbtx;Ljava/util/function/Supplier;Lhx;)Lhx;
		ARG 1 dimensionType
		ARG 2 persistentStateManagerFactory
		ARG 3 tag
	METHOD a getDataVersion (Lhx;)I
		ARG 0 tag