Provide minWith and maxWith to find maximum and minimum values according to the given comparator.

#KT-9002 Fixed

libraries/stdlib/src/generated/_Collections.kt

@@ -1436,6 +1436,20 @@ public inline fun <T, R : Comparable<R>> Iterable<T>.maxBy(selector: (T) -> R):
     return maxElem
 }
 
+/**
+ * Returns the first element having the largest value according to the provided [comparator] or `null` if there are no elements.
+ */
+public fun <T> Iterable<T>.maxWith(comparator: Comparator<in T>): T? {
+    val iterator = iterator()
+    if (!iterator.hasNext()) return null
+    var max = iterator.next()
+    while (iterator.hasNext()) {
+        val e = iterator.next()
+        if (comparator.compare(max, e) < 0) max = e
+    }
+    return max
+}
+
 /**
  * Returns the smallest element or `null` if there are no elements.
  */
@@ -1469,6 +1483,20 @@ public inline fun <T, R : Comparable<R>> Iterable<T>.minBy(selector: (T) -> R):
     return minElem
 }
 
+/**
+ * Returns the first element having the smallest value according to the provided [comparator] or `null` if there are no elements.
+ */
+public fun <T> Iterable<T>.minWith(comparator: Comparator<in T>): T? {
+    val iterator = iterator()
+    if (!iterator.hasNext()) return null
+    var min = iterator.next()
+    while (iterator.hasNext()) {
+        val e = iterator.next()
+        if (comparator.compare(min, e) > 0) min = e
+    }
+    return min
+}
+
 /**
  * Returns `true` if the collection has no elements.
  */