CLASS net/minecraft/class_3949 net/minecraft/server/WorldGenerationProgressListener
	METHOD method_17669 start (Lnet/minecraft/class_1923;)V
		ARG 1 spawnPos
	METHOD method_17670 setChunkStatus (Lnet/minecraft/class_1923;Lnet/minecraft/class_2806;)V
		ARG 1 pos
		ARG 2 status
	METHOD method_17671 stop ()V
	METHOD method_17675 start ()V