CLASS net/minecraft/class_3557 net/minecraft/datafixer/fix/BedBlockEntityFix
METHOD method_15506 fix (Lcom/mojang/datafixers/types/Type;Lcom/mojang/datafixers/types/templates/List$ListType;)Lcom/mojang/datafixers/TypeRewriteRule;
ARG 1 level
ARG 2 blockEntities