cleanup

platform/platform-impl/src/com/intellij/openapi/wm/impl/welcomeScreen/NewWelcomeScreen.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2014 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 /*
  * @author max
@@ -66,13 +52,13 @@ public class NewWelcomeScreen extends JPanel implements WelcomeScreen {
     return new WelcomePane(root, screen);
   }
 
-  private static WelcomeScreenGroup buildRootGroup(Icon groupIcon, String groupText, String groupId) {
-    WelcomeScreenGroup docs = new WelcomeScreenGroup(groupIcon, groupText);
+  private static WelcomeScreenGroup buildRootGroup(@NotNull Icon groupIcon, @NotNull String groupText, @NotNull String groupId) {
+    WelcomeScreenGroup result = new WelcomeScreenGroup(groupIcon, groupText);
     ActionGroup docsActions = (ActionGroup)ActionManager.getInstance().getAction(groupId);
     for (AnAction child : docsActions.getChildren(null)) {
-      docs.add(child);
+      result.add(child);
     }
-    return docs;
+    return result;
   }
 
   private static JPanel createFooterPanel() {
@@ -146,7 +132,7 @@ public class NewWelcomeScreen extends JPanel implements WelcomeScreen {
   @Override
   public void dispose() {
   }
-  
+
   public static boolean isNewWelcomeScreen(@NotNull AnActionEvent e) {
     return e.getPlace() == ActionPlaces.WELCOME_SCREEN;
   }