Introduce Common protected function AbstractMutableList.removeRange #KT-57151

libraries/stdlib/common/src/kotlin/collections/AbstractMutableList.kt

@@ -13,6 +13,13 @@ package kotlin.collections
 public expect abstract class AbstractMutableList<E> : MutableList<E> {
     protected constructor()
 
+    /**
+     * Removes the range of elements from this list starting from [fromIndex] and ending with but not including [toIndex].
+     */
+    // TODO: Should be @SinceKotlin("2.0"), see KT-64904
+    @SinceKotlin("1.9")
+    protected open fun removeRange(fromIndex: Int, toIndex: Int): Unit
+
     // From List
 
     override fun isEmpty(): Boolean

libraries/stdlib/js/src/kotlin/collections/AbstractMutableList.kt

@@ -81,7 +81,7 @@ public actual abstract class AbstractMutableList<E> protected actual constructor
     /**
      * Removes the range of elements from this list starting from [fromIndex] and ending with but not including [toIndex].
      */
-    protected open fun removeRange(fromIndex: Int, toIndex: Int) {
+    protected actual open fun removeRange(fromIndex: Int, toIndex: Int) {
         val iterator = listIterator(fromIndex)
         repeat(toIndex - fromIndex) {
             iterator.next()

libraries/stdlib/jvm/src/kotlin/collections/AbstractMutableList.kt

@@ -13,6 +13,8 @@ import java.util.AbstractList
  * @param E the type of elements contained in the list. The list is invariant in its element type.
  */
 @SinceKotlin("1.1")
+// removeRange: Kotlin `protected` visibility is different from Java
+@Suppress("NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS")
 public actual abstract class AbstractMutableList<E> protected actual constructor() : MutableList<E>, AbstractList<E>() {
     /**
      * Replaces the element at the specified position in this list with the specified element.

libraries/stdlib/native-wasm/src/kotlin/collections/AbstractMutableList.kt

@@ -81,7 +81,7 @@ public actual abstract class AbstractMutableList<E> protected actual constructor
     /**
      * Removes the range of elements from this list starting from [fromIndex] and ending with but not including [toIndex].
      */
-    protected open fun removeRange(fromIndex: Int, toIndex: Int) {
+    protected actual open fun removeRange(fromIndex: Int, toIndex: Int) {
         val iterator = listIterator(fromIndex)
         repeat(toIndex - fromIndex) {
             iterator.next()