diff --git a/mappings/net/minecraft/util/SortedArraySet.mapping b/mappings/net/minecraft/util/SortedArraySet.mapping
new file mode 100644
index 0000000000..1da7244ad6
--- /dev/null
+++ b/mappings/net/minecraft/util/SortedArraySet.mapping
@@ -0,0 +1,30 @@
+CLASS net/minecraft/class_4706 net/minecraft/util/SortedArraySet
+	CLASS class_4707 SetIterator
+		FIELD field_21566 nextIndex I
+		FIELD field_21567 lastIndex I
+	FIELD field_21562 comparator Ljava/util/Comparator;
+	FIELD field_21563 elements [Ljava/lang/Object;
+	FIELD field_21564 size I
+	METHOD <init> (ILjava/util/Comparator;)V
+		ARG 1 initialCapacity
+		ARG 2 comparator
+	METHOD method_23859 create (I)Lnet/minecraft/class_4706;
+		ARG 0 initialCapacity
+	METHOD method_23862 addAndGet (Ljava/lang/Object;)Ljava/lang/Object;
+		ARG 1 object
+	METHOD method_23863 add (Ljava/lang/Object;I)V
+		ARG 1 object
+		ARG 2 index
+	METHOD method_23864 cast ([Ljava/lang/Object;)[Ljava/lang/Object;
+		ARG 0 array
+	METHOD method_23865 first ()Ljava/lang/Object;
+	METHOD method_23866 insertionPoint (I)I
+		ARG 0 binarySearchResult
+	METHOD method_23868 ensureCapacity (I)V
+		ARG 1 minCapacity
+	METHOD method_23869 binarySearch (Ljava/lang/Object;)I
+		ARG 1 object
+	METHOD method_23870 remove (I)V
+		ARG 1 index
+	METHOD method_23871 get (I)Ljava/lang/Object;
+		ARG 1 index