diff --git a/stubs/extensions/ds.phpstub b/stubs/extensions/ds.phpstub
index 04eef4dc4c5..42e151fe78a 100644
--- a/stubs/extensions/ds.phpstub
+++ b/stubs/extensions/ds.phpstub
@@ -53,6 +53,13 @@ final class Deque implements Sequence
     {
     }
 
+    /**
+     * @param int $offset The index with the value.
+     * @return TValue The value at the specified index.
+     */
+    public function offsetGet($offset) {
+    }
+
     /**
      * @return Deque<TValue>
      * @psalm-mutation-free
@@ -261,6 +268,13 @@ final class Map implements Collection, ArrayAccess
     {
     }
 
+    /**
+     * @param TKey $offset The index with the value.
+     * @return TValue The value at the specified index.
+     */
+    public function offsetGet($offset) {
+    }
+
     /**
      * @psalm-mutation-free
      */
@@ -791,6 +805,13 @@ final class Vector implements Sequence
     {
     }
 
+    /**
+     * @param int $offset The index with the value.
+     * @return TValue The value at the specified index.
+     */
+    public function offsetGet($offset) {
+    }
+
     /**
      * @return Vector<TValue>
      * @psalm-mutation-free
@@ -998,6 +1019,13 @@ final class Set implements Collection, ArrayAccess
     {
     }
 
+    /**
+     * @param int $offset The index with the value.
+     * @return TValue The value at the specified index.
+     */
+    public function offsetGet($offset) {
+    }
+
     /**
      * @return Set<TValue>
      * @psalm-mutation-free
@@ -1206,6 +1234,13 @@ final class Stack implements Collection, ArrayAccess
     {
     }
 
+    /**
+     * @param int $offset The index with the value.
+     * @return TValue The value at the specified index.
+     */
+    public function offsetGet($offset) {
+    }
+
     /**
      * @return Stack<TValue>
      * @psalm-mutation-free
@@ -1289,6 +1324,13 @@ final class Queue implements Collection, ArrayAccess
     {
     }
 
+    /**
+     * @param int $offset The index with the value.
+     * @return TValue The value at the specified index.
+     */
+    public function offsetGet($offset) {
+    }
+
     /**
      * @return Queue<TValue>
      * @psalm-mutation-free
@@ -1372,6 +1414,13 @@ final class PriorityQueue implements Collection
     {
     }
 
+    /**
+     * @param int $offset The index with the value.
+     * @return TValue The value at the specified index.
+     */
+    public function offsetGet($offset) {
+    }
+
     /**
      * @return list<TValue>
      * @psalm-mutation-free