CLASS net/minecraft/class_3977 net/minecraft/world/VersionedChunkStorage
	FIELD field_17654 featureUpdater Lnet/minecraft/class_3360;
	FIELD field_17655 dataFixer Lcom/mojang/datafixers/DataFixer;
	METHOD <init> (Ljava/io/File;Lcom/mojang/datafixers/DataFixer;)V
		ARG 1 file
		ARG 2 dataFixer
	METHOD method_17907 updateChunkTag (Lnet/minecraft/class_2874;Ljava/util/function/Supplier;Lnet/minecraft/class_2487;)Lnet/minecraft/class_2487;
		ARG 1 dimensionType
		ARG 2 persistentStateManagerFactory
		ARG 3 tag
	METHOD method_17908 getDataVersion (Lnet/minecraft/class_2487;)I
		ARG 0 tag