CLASS net/minecraft/class_9317 net/minecraft/loot/function/CopyComponentsLootFunction FIELD field_49430 CODEC Lcom/mojang/serialization/MapCodec; FIELD field_49431 source Lnet/minecraft/class_9317$class_9319; METHOD (Ljava/util/List;Lnet/minecraft/class_9317$class_9319;Ljava/util/Optional;Ljava/util/Optional;)V ARG 1 conditions ARG 2 source METHOD method_57637 builder (Lnet/minecraft/class_9317$class_9319;)Lnet/minecraft/class_9317$class_9318; ARG 0 source METHOD method_57638 (Lnet/minecraft/class_9317;)Ljava/util/Optional; ARG 0 function METHOD method_57639 (Lcom/mojang/serialization/codecs/RecordCodecBuilder$Instance;)Lcom/mojang/datafixers/kinds/App; ARG 0 instance METHOD method_57640 (Lnet/minecraft/class_9317;)Lnet/minecraft/class_9317$class_9319; ARG 0 function CLASS class_9318 Builder FIELD field_49434 source Lnet/minecraft/class_9317$class_9319; CLASS class_9319 Source FIELD field_49437 CODEC Lcom/mojang/serialization/Codec; FIELD field_49438 id Ljava/lang/String; METHOD (Ljava/lang/String;ILjava/lang/String;)V ARG 3 id METHOD method_57643 getRequiredParameters ()Ljava/util/Set; METHOD method_57644 getComponents (Lnet/minecraft/class_47;)Lnet/minecraft/class_9323; ARG 1 context