CLASS net/minecraft/class_2947 net/minecraft/world/gen/feature/BirchTreeFeature
	FIELD field_13339 alwaysTall Z
	FIELD field_13340 LOG Lnet/minecraft/class_2680;
	FIELD field_13341 LEAVES Lnet/minecraft/class_2680;
	METHOD <init> (Ljava/util/function/Function;ZZ)V
		ARG 1 configFactory
		ARG 2 emitNeighborBlockUpdates
		ARG 3 alwaysTall