Replace val with native final var in Java >= 10

test/transform/resource/after-ecj/ValToNative.java

@@ -0,0 +1,19 @@
+import java.io.IOException;
+import java.util.Arrays;
+import lombok.val;
+public class ValToNative {
+  public ValToNative() {
+    super();
+  }
+  private void test() throws IOException {
+    final @val var intField = 1;
+    for (final @val var s : Arrays.asList("1")) 
+      {
+        final @val var s2 = s;
+      }
+    try (final @val var in = getClass().getResourceAsStream("ValToNative.class"))
+      {
+        final @val var j = in.read();
+      }
+  }
+}