IDEA-161198 Migration from Stream API back to for loops

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

@@ -0,0 +1,14 @@
+// "Replace Stream API chain with loop" "true"
+
+import java.util.OptionalDouble;
+import java.util.stream.IntStream;
+
+public class Main {
+  private static OptionalDouble test(int... numbers) {
+    return IntStream.of(numbers).filter(x -> x > 0).aver<caret>age();
+  }
+
+  public static void main(String[] args) {
+    System.out.println(test(-1,-2,-3));
+  }
+}