include enum.values() in signature hierarchy (IDEA-125077)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/EnumValuesMethod.java

@@ -0,0 +1,25 @@
+import java.util.function.Supplier;
+
+class EnumValues {
+
+  {
+    Supplier<I<ABC>> supplier = () -> new C<>(ABC::values);
+  }
+
+  private static interface I<T> {
+    T get();
+  }
+
+  private static class C<E> implements I<E> {
+    C(Supplier<E[]> supplier) {}
+
+    @Override
+    public E get() {
+      return null;
+    }
+  }
+
+  private static enum ABC {
+    A, B, C
+  }
+}