extract method: sanitize parameter types (IDEA-166319)

java/java-tests/testData/refactoring/extractMethod/FromLambdaBodyCapturedWildcardParams_after.java

@@ -0,0 +1,12 @@
+import java.util.stream.Stream;
+
+class Foo {
+  public static void main(Stream<? extends String> s) {
+    s.filter(ss -> newMethod(ss));
+  }
+
+    private static boolean newMethod(String ss) {
+        return ss.startsWith("");
+    }
+
+}