// Set currentForm via reflection
        final CreateForm form = new CreateForm();
        form.doc = new HashMap<>();
        form.doc.put("url", "https://example.com");
        form.doc.put("title", "Test");

        final java.lang.reflect.Field currentFormField = AdminSearchlistAction.class.getDeclaredField("currentForm");
        currentFormField.setAccessible(true);

        candidateFields.addAll(longFieldSet);
        candidateFields.addAll(floatFieldSet);
        candidateFields.addAll(doubleFieldSet);
        final Map<String, Object> doc = currentForm != null ? currentForm.doc : null;
        if (doc != null) {
            candidateFields.addAll(doc.keySet());
        }

        final List<String> extraFieldNames = new ArrayList<>();