CLASS ccs net/minecraft/world/gen/feature/MineshaftFeatureConfig
	FIELD a probability D
	FIELD b type Lcct$b;
	METHOD <init> (DLcct$b;)V
		ARG 1 probability
		ARG 3 type
	METHOD a deserialize (Lcom/mojang/datafixers/Dynamic;)Lccs;
		ARG 0 dynamic