Add RecursiveCallbackFilterIterator stub

Author: jdecool

conf/config.neon

@@ -26,6 +26,7 @@ parameters:
 - DatePeriod
 - CallbackFilterIterator
 - FilterIterator
+- RecursiveCallbackFilterIterator
 fileExtensions:
 - php
 checkAdvancedIsset: false

stubs/iterable.stub

@@ -217,6 +217,29 @@ class CallbackFilterIterator extends FilterIterator
 
 }
 
+
+/**
+ * @template-covariant TKey
+ * @template-covariant TValue
+ * @template TIterator as Traversable<TKey, TValue>
+ *
+ * @extends CallbackFilterIterator<TKey, TValue, TIterator>
+ * @implements RecursiveIterator<TKey, TValue>
+ */
+class RecursiveCallbackFilterIterator extends CallbackFilterIterator implements RecursiveIterator
+{
+ /**
+ * @return bool
+ */
+ public function hasChildren() {}
+
+ /**
+ * @return RecursiveCallbackFilterIterator<TKey, TValue, TIterator>
+ */
+ public function getChildren() {}
+
+}
+
 /**
  * @template TKey of array-key
  * @template TValue