IDEA-161198 Migration from Stream API back to for loops

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamToLoop/afterReduceMr.java

@@ -0,0 +1,18 @@
+// "Replace Stream API chain with loop" "true"
+
+import java.util.Arrays;
+import java.util.List;
+
+public class Main {
+  private static Integer test(List<Integer> numbers) {
+      Integer acc = 0;
+      for (Integer number : numbers) {
+          acc = Math.max(acc, number);
+      }
+      return acc;
+  }
+
+  public static void main(String[] args) {
+    test(Arrays.asList("a", "b", "xyz"));
+  }
+}