simplify ? extends Object (IDEA-91631; IDEA-91144)

java/java-tests/testData/refactoring/introduceParameter/afterSimplifiedResultedType.java

@@ -0,0 +1,24 @@
+import java.util.*;
+public class IntroduceParameterProducesWarning {
+    private final List<Generic<?>> elements;
+
+    public IntroduceParameterProducesWarning(final ArrayList<Generic<?>> anObject) {
+        elements = anObject;
+    }
+
+    public static <E> ArrayList<E> newArrayList(E... elements) {
+        ArrayList<E> list = new ArrayList<E>();
+        Collections.addAll(list, elements);
+        return list;
+    }
+
+    private static interface Generic<T>{
+
+    }
+
+    private static class SomeGeneric implements Generic<String> {
+    }
+
+    private static class SomeOtherGeneric implements Generic<Object> {
+    }
+}

java/java-tests/testData/refactoring/introduceParameter/beforeSimplifiedResultedType.java

@@ -0,0 +1,24 @@
+import java.util.*;
+public class IntroduceParameterProducesWarning {
+    private final List<Generic<?>> elements;
+
+    public IntroduceParameterProducesWarning() {
+        elements = <selection>newArrayList(new SomeGeneric(), new SomeOtherGeneric())</selection>;
+    }
+
+    public static <E> ArrayList<E> newArrayList(E... elements) {
+        ArrayList<E> list = new ArrayList<E>();
+        Collections.addAll(list, elements);
+        return list;
+    }
+
+    private static interface Generic<T>{
+
+    }
+
+    private static class SomeGeneric implements Generic<String> {
+    }
+
+    private static class SomeOtherGeneric implements Generic<Object> {
+    }
+}