CLASS bti net/minecraft/world/chunk/storage/RegionFileCache
	FIELD d cachedRegionFiles Lit/unimi/dsi/fastutil/longs/Long2ObjectLinkedOpenHashMap;
	METHOD a getRegionFile (Lbch;)Lbth;
		ARG 1 pos
	METHOD a writeChunkTag (Lbch;Lhr;)V
		ARG 1 pos
		ARG 2 tag
	METHOD c readChunkTag (Lbch;)Lhr;
		ARG 1 pos
	METHOD g getRegionDir ()Ljava/io/File;