CLASS net/minecraft/class_7663 net/minecraft/resource/metadata/PackFeatureSetMetadata
	FIELD field_39996 SERIALIZER Lnet/minecraft/class_7677;
	FIELD field_39997 CODEC Lcom/mojang/serialization/Codec;
	METHOD method_45176 (Lcom/mojang/serialization/codecs/RecordCodecBuilder$Instance;)Lcom/mojang/datafixers/kinds/App;
		ARG 0 instance