CLASS net/minecraft/class_4485 net/minecraft/world/storage/SectorMap
	FIELD field_20433 bitSet Ljava/util/BitSet;
	METHOD method_21867 allocate (I)I
		ARG 1 size
	METHOD method_21868 allocate (II)V
		ARG 1 start
		ARG 2 size
	METHOD method_21869 free (II)V
		ARG 1 start
		ARG 2 size
