diff --git a/mappings/net/minecraft/util/collection/WeightedList.mapping b/mappings/net/minecraft/util/collection/WeightedList.mapping
new file mode 100644
index 0000000000..58752373d1
--- /dev/null
+++ b/mappings/net/minecraft/util/collection/WeightedList.mapping
@@ -0,0 +1,42 @@
+CLASS net/minecraft/class_6032 net/minecraft/util/collection/WeightedList
+	FIELD field_30169 entries Ljava/util/List;
+	FIELD field_30170 random Ljava/util/Random;
+	METHOD <init> (Ljava/util/List;)V
+		ARG 1 list
+	METHOD method_35088 shuffle ()Lnet/minecraft/class_6032;
+	METHOD method_35089 (Lnet/minecraft/class_6032$class_6033;)V
+		ARG 1 entry
+	METHOD method_35090 (Lnet/minecraft/class_6032;)Ljava/util/List;
+		ARG 0 weightedList
+	METHOD method_35091 createCodec (Lcom/mojang/serialization/Codec;)Lcom/mojang/serialization/Codec;
+		ARG 0 codec
+	METHOD method_35092 (Ljava/lang/Object;)D
+		ARG 0 entry
+	METHOD method_35093 add (Ljava/lang/Object;I)Lnet/minecraft/class_6032;
+		ARG 1 data
+		ARG 2 weight
+	METHOD method_35094 stream ()Ljava/util/stream/Stream;
+	CLASS class_6033 Entry
+		FIELD field_30171 data Ljava/lang/Object;
+		FIELD field_30172 weight I
+		FIELD field_30173 shuffledOrder D
+		METHOD <init> (Ljava/lang/Object;I)V
+			ARG 1 data
+			ARG 2 weight
+		METHOD method_35095 getElement ()Ljava/lang/Object;
+		METHOD method_35096 setShuffledOrder (F)V
+			ARG 1 random
+		METHOD method_35099 createCodec (Lcom/mojang/serialization/Codec;)Lcom/mojang/serialization/Codec;
+			ARG 0 codec
+		METHOD method_35100 getWeight ()I
+		METHOD method_35102 getShuffledOrder ()D
+		CLASS 1
+			METHOD decode (Lcom/mojang/serialization/DynamicOps;Ljava/lang/Object;)Lcom/mojang/serialization/DataResult;
+				ARG 1 ops
+				ARG 2 data
+			METHOD encode (Ljava/lang/Object;Lcom/mojang/serialization/DynamicOps;Ljava/lang/Object;)Lcom/mojang/serialization/DataResult;
+				ARG 1 entries
+				ARG 2 ops
+				ARG 3 data
+			METHOD method_35105 (Lcom/mojang/serialization/Dynamic;Ljava/lang/Object;)Lnet/minecraft/class_6032$class_6033;
+				ARG 1 data