CLASS bwu net/minecraft/world/storage/RegionBasedStorage
	FIELD a directory Ljava/io/File;
	FIELD c cachedRegionFiles Lit/unimi/dsi/fastutil/longs/Long2ObjectLinkedOpenHashMap;
	METHOD <init> (Ljava/io/File;)V
		ARG 1 directory
	METHOD a getRegionFile (Lbfs;)Lbwt;
		ARG 1 pos
	METHOD a setTagAt (Lbfs;Lib;)V
		ARG 1 pos
		ARG 2 tag
	METHOD d getTagAt (Lbfs;)Lib;
		ARG 1 pos