Rename Grouping.elementIterator to sourceIterator

js/js.libraries/src/core/generated/_ArraysJs.kt

@@ -7637,7 +7637,7 @@ public inline fun <K, V, M : MutableMap<in K, MutableList<V>>> CharArray.groupBy
 @SinceKotlin("1.1")
 public inline fun <T, K> Array<out T>.groupingBy(crossinline keySelector: (T) -> K): Grouping<T, K> {
     return object : Grouping<T, K> {
-        override fun elementIterator(): Iterator<T> = this@groupingBy.iterator()
+        override fun sourceIterator(): Iterator<T> = this@groupingBy.iterator()
         override fun keyOf(element: T): K = keySelector(element)
     }
 }

js/js.libraries/src/core/generated/_CollectionsJs.kt

@@ -1186,7 +1186,7 @@ public inline fun <T, K, V, M : MutableMap<in K, MutableList<V>>> Iterable<T>.gr
 @SinceKotlin("1.1")
 public inline fun <T, K> Iterable<T>.groupingBy(crossinline keySelector: (T) -> K): Grouping<T, K> {
     return object : Grouping<T, K> {
-        override fun elementIterator(): Iterator<T> = this@groupingBy.iterator()
+        override fun sourceIterator(): Iterator<T> = this@groupingBy.iterator()
         override fun keyOf(element: T): K = keySelector(element)
     }
 }

js/js.libraries/src/core/generated/_SequencesJs.kt

@@ -651,7 +651,7 @@ public inline fun <T, K, V, M : MutableMap<in K, MutableList<V>>> Sequence<T>.gr
 @SinceKotlin("1.1")
 public inline fun <T, K> Sequence<T>.groupingBy(crossinline keySelector: (T) -> K): Grouping<T, K> {
     return object : Grouping<T, K> {
-        override fun elementIterator(): Iterator<T> = this@groupingBy.iterator()
+        override fun sourceIterator(): Iterator<T> = this@groupingBy.iterator()
         override fun keyOf(element: T): K = keySelector(element)
     }
 }

js/js.libraries/src/core/generated/_StringsJs.kt

@@ -708,7 +708,7 @@ public inline fun <K, V, M : MutableMap<in K, MutableList<V>>> CharSequence.grou
 @SinceKotlin("1.1")
 public inline fun <K> CharSequence.groupingBy(crossinline keySelector: (Char) -> K): Grouping<Char, K> {
     return object : Grouping<Char, K> {
-        override fun elementIterator(): Iterator<Char> = this@groupingBy.iterator()
+        override fun sourceIterator(): Iterator<Char> = this@groupingBy.iterator()
         override fun keyOf(element: Char): K = keySelector(element)
     }
 }