CLASS net/minecraft/class_3574 net/minecraft/datafixer/fix/BlockEntityKeepPacked
	METHOD <init> (Lcom/mojang/datafixers/schemas/Schema;Z)V
		ARG 1 outputSchema
		ARG 2 changesType
	METHOD method_15579 keepPacked (Lcom/mojang/serialization/Dynamic;)Lcom/mojang/serialization/Dynamic;