override, fix public accessibility

platform/lvcs-api/src/com/intellij/history/Label.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 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.
 
 package com.intellij.history;
 
@@ -27,6 +13,7 @@ public interface Label {
     public void revert(@NotNull Project project, @NotNull VirtualFile file) {
     }
 
+    @Override
     public ByteContent getByteContent(String path) {
       return null;
     }

platform/lvcs-api/src/com/intellij/history/LocalHistoryAction.java

@@ -1,23 +1,10 @@
-/*
- * Copyright 2000-2009 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.
 
 package com.intellij.history;
 
 public interface LocalHistoryAction {
   LocalHistoryAction NULL = new LocalHistoryAction() {
+    @Override
     public void finish() {
     }
   };

platform/lvcs-impl/src/com/intellij/history/core/ChangeList.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 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.
 
 package com.intellij.history.core;
 
@@ -22,7 +8,6 @@ import com.intellij.history.core.changes.ChangeVisitor;
 import com.intellij.history.utils.LocalHistoryLog;
 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.util.Clock;
-import com.intellij.util.Consumer;
 import gnu.trove.TIntHashSet;
 import org.jetbrains.annotations.TestOnly;
 
@@ -115,6 +100,7 @@ public class ChangeList {
   // todo synchronization issue: changeset may me modified while being iterated
   public synchronized Iterable<ChangeSet> iterChanges() {
     return new Iterable<ChangeSet>() {
+      @Override
       public Iterator<ChangeSet> iterator() {
         return new Iterator<ChangeSet>() {
           private final TIntHashSet recursionGuard = new TIntHashSet(1000);
@@ -122,10 +108,12 @@ public class ChangeList {
           private ChangeSetHolder currentBlock;
           private ChangeSet next = fetchNext();
 
+          @Override
           public boolean hasNext() {
             return next != null;
           }
 
+          @Override
           public ChangeSet next() {
             ChangeSet result = next;
             next = fetchNext();
@@ -152,6 +140,7 @@ public class ChangeList {
             return currentBlock.changeSet;
           }
 
+          @Override
           public void remove() {
             throw new UnsupportedOperationException();
           }

platform/lvcs-impl/src/com/intellij/history/core/changes/MoveChange.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 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.
 
 package com.intellij.history.core.changes;
 
@@ -44,6 +30,7 @@ public class MoveChange extends StructuralChange {
     StreamUtil.writeString(out, myOldPath);
   }
 
+  @Override
   public String getOldPath() {
     return myOldPath;
   }

platform/lvcs-impl/src/com/intellij/history/core/changes/PutLabelChange.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 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.
 
 package com.intellij.history.core.changes;
 
@@ -75,10 +61,12 @@ public class PutLabelChange extends Change {
     return false;
   }
 
+  @Override
   public boolean isCreationalFor(String path) {
     return false;
   }
 
+  @Override
   public List<Content> getContentsToPurge() {
     return Collections.emptyList();
   }

platform/lvcs-impl/src/com/intellij/history/core/revisions/Difference.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 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.
 
 package com.intellij.history.core.revisions;
 
@@ -77,6 +63,7 @@ public class Difference {
     if (e == null) return null;
 
     return new ByteBackedContentRevision() {
+      @Override
       @Nullable
       public String getContent() throws VcsException {
         if (e.isDirectory()) return null;
@@ -90,11 +77,13 @@ public class Difference {
         return e.getContent().getBytes();
       }
 
+      @Override
       @NotNull
       public FilePath getFile() {
         return VcsUtil.getFilePath(new File(e.getPath()), e.isDirectory());
       }
 
+      @Override
       @NotNull
       public VcsRevisionNumber getRevisionNumber() {
         return VcsRevisionNumber.NULL;

platform/lvcs-impl/src/com/intellij/history/core/tree/DirectoryEntry.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 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.
 
 package com.intellij.history.core.tree;
 
@@ -79,6 +65,7 @@ public class DirectoryEntry extends Entry {
     unsafeAddChild(child);
   }
 
+  @Override
   public void addChildren(Collection<Entry> children) {
     myChildren.ensureCapacity(myChildren.size() + children.size());
     for (Entry each : children) {

platform/lvcs-impl/src/com/intellij/history/integration/IdeaGateway.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.
 package com.intellij.history.integration;
 
 import com.intellij.history.core.LocalHistoryFacade;
@@ -116,6 +102,7 @@ public class IdeaGateway {
       ourCurrentEventDispatchContext.set(this);
     }
 
+    @Override
     public void close() {
       ourCurrentEventDispatchContext.set(myPreviousContext);
       if (myPreviousContext != null && myPreviousContext.myFilterData == null && myFilterData != null) {

platform/lvcs-impl/src/com/intellij/history/integration/LocalHistoryActionImpl.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 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.
 
 package com.intellij.history.integration;
 
@@ -31,6 +17,7 @@ public class LocalHistoryActionImpl implements LocalHistoryAction {
     myDispatcher.startAction();
   }
 
+  @Override
   public void finish() {
     myDispatcher.finishAction(myName);
   }

platform/lvcs-impl/src/com/intellij/history/integration/revertion/SelectionReverter.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 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.
 
 package com.intellij.history.integration.revertion;
 
@@ -66,8 +52,10 @@ public class SelectionReverter extends Reverter {
     return Collections.singletonList(file);
   }
 
+  @Override
   protected void doRevert() throws IOException, FilesTooBigForDiffException {
     Block b = myCalculator.getSelectionFor(myLeftRevision, new Progress() {
+      @Override
       public void processed(int percentage) {
         // should be already processed.
       }

platform/lvcs-impl/src/com/intellij/history/integration/revertion/UndoChangeRevertingVisitor.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 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.
 
 package com.intellij.history.integration.revertion;
 
@@ -268,6 +254,7 @@ public class UndoChangeRevertingVisitor extends ChangeVisitor {
       this.isReadOnly = isReadOnly;
     }
 
+    @Override
     public void apply() throws IOException {
       ReadOnlyAttributeUtil.setReadOnlyAttribute(myFile, isReadOnly);
     }

platform/lvcs-impl/src/com/intellij/history/integration/ui/actions/LocalHistoryGroup.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 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.
 
 package com.intellij.history.integration.ui.actions;
 
@@ -28,6 +14,7 @@ import org.jetbrains.annotations.NotNull;
 
 public class LocalHistoryGroup extends NonTrivialActionGroup implements DumbAware {
 
+  @Override
   public void update(@NotNull AnActionEvent e) {
     Project project = e.getProject();
     VirtualFile file = e.getData(CommonDataKeys.VIRTUAL_FILE);

platform/lvcs-impl/src/com/intellij/history/integration/ui/models/EntireFileHistoryDialogModel.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 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.
 
 package com.intellij.history.integration.ui.models;
 
@@ -26,6 +12,7 @@ public class EntireFileHistoryDialogModel extends FileHistoryDialogModel {
     super(p, gw, vcs, f);
   }
 
+  @Override
   public FileDifferenceModel getDifferenceModel() {
     return new EntireFileDifferenceModel(myProject, myGateway, getLeftEntry(), getRightEntry(), isCurrentRevisionSelected());
   }

platform/lvcs-impl/src/com/intellij/history/integration/ui/views/HistoryDialog.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2016 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.
 
 package com.intellij.history.integration.ui.views;
 
@@ -117,6 +103,7 @@ public abstract class HistoryDialog<T extends HistoryDialogModel> extends FrameW
     myUpdateQueue.setRestartTimerOnAdd(true);
 
     facade.addListener(new LocalHistoryFacade.Listener() {
+      @Override
       public void changeSetFinished() {
         scheduleRevisionsUpdate(null);
       }
@@ -190,6 +177,7 @@ public abstract class HistoryDialog<T extends HistoryDialogModel> extends FrameW
 
     myToolBar = createRevisionsToolbar(actions);
     myRevisionsList = new RevisionsList(new RevisionsList.SelectionListener() {
+      @Override
       public void revisionsSelected(final int first, final int last) {
         scheduleDiffUpdate(Couple.of(first, last));
       }
@@ -227,6 +215,7 @@ public abstract class HistoryDialog<T extends HistoryDialogModel> extends FrameW
 
   private void addPopupMenuToComponent(JComponent comp, final ActionGroup ag) {
     comp.addMouseListener(new PopupHandler() {
+      @Override
       public void invokePopup(Component c, int x, int y) {
         ActionPopupMenu m = createPopupMenu(ag);
         m.getComponent().show(c, x, y);
@@ -260,6 +249,7 @@ public abstract class HistoryDialog<T extends HistoryDialogModel> extends FrameW
         return getPriority() >= update1.getPriority();
       }
 
+      @Override
       public void run() {
         if (isDisposed() || myProject.isDisposed()) return;
 
@@ -325,6 +315,7 @@ public abstract class HistoryDialog<T extends HistoryDialogModel> extends FrameW
     final Ref<ContentDiffRequest> requestRef = new Ref<>();
 
     new Task.Modal(myProject, message("message.processing.revisions"), false) {
+      @Override
       public void run(@NotNull final ProgressIndicator i) {
         i.setIndeterminate(false);
         ApplicationManager.getApplication().runReadAction(() -> {
@@ -555,14 +546,17 @@ public abstract class HistoryDialog<T extends HistoryDialogModel> extends FrameW
       myIndicator = i;
     }
 
+    @Override
     public void processingLeftRevision() {
       myIndicator.setText(message("message.processing.left.revision"));
     }
 
+    @Override
     public void processingRightRevision() {
       myIndicator.setText(message("message.processing.right.revision"));
     }
 
+    @Override
     public void processed(int percentage) {
       myIndicator.setFraction(percentage / 100.0);
     }

platform/lvcs-impl/src/com/intellij/history/integration/ui/views/RecentChangeDialog.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 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.
 
 package com.intellij.history.integration.ui.views;
 
@@ -26,7 +12,6 @@ import com.intellij.openapi.project.Project;
 import com.intellij.util.ui.UIUtil;
 
 import javax.swing.*;
-import javax.swing.border.Border;
 import java.awt.*;
 import java.awt.event.ActionEvent;
 
@@ -64,6 +49,7 @@ public class RecentChangeDialog extends DirectoryHistoryDialog {
 
   private JPanel createButtonsPanel() {
     AbstractAction revert = new AbstractAction() {
+      @Override
       public void actionPerformed(ActionEvent e) {
         revert();
         close();

platform/lvcs-impl/src/com/intellij/history/integration/ui/views/RecentChangesPopup.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 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.
 
 package com.intellij.history.integration.ui.views;
 
@@ -65,6 +51,7 @@ public class RecentChangesPopup {
       mySpacePanel.setPreferredSize(d);
     }
 
+    @Override
     public Component getListCellRendererComponent(JList l, Object val, int i, boolean isSelected, boolean cellHasFocus) {
       RecentChange c = (RecentChange)val;
       myActionLabel.setText(c.getChangeName());

platform/lvcs-impl/src/com/intellij/history/integration/ui/views/RevisionsList.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2013 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.
 
 package com.intellij.history.integration.ui.views;
 
@@ -47,8 +33,8 @@ import javax.swing.table.AbstractTableModel;
 import javax.swing.table.DefaultTableCellRenderer;
 import javax.swing.table.TableCellRenderer;
 import java.awt.*;
-import java.util.*;
 import java.util.List;
+import java.util.*;
 
 public class RevisionsList {
   public static final int RECENT_PERIOD = 12;
@@ -84,6 +70,7 @@ public class RevisionsList {
       private int mySelectedRow2 = 0;
       private final SelectionListener mySelectionListener = l;
 
+      @Override
       public void valueChanged(ListSelectionEvent e) {
         if (e.getValueIsAdjusting()) return;
 
@@ -165,14 +152,17 @@ public class RevisionsList {
       myPeriods = periods;
     }
 
+    @Override
     public int getColumnCount() {
       return 1;
     }
 
+    @Override
     public int getRowCount() {
       return myRevisions.size();
     }
 
+    @Override
     public RevisionItem getValueAt(int rowIndex, int columnIndex) {
       return myRevisions.get(rowIndex);
     }
@@ -290,6 +280,7 @@ public class RevisionsList {
       myTitleLabel.setComponentStyle(UIUtil.ComponentStyle.REGULAR);
     }
 
+    @Override
     public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
       if (value == null) return myWrapperPanel; // null erroneously comes from JPanel.getAccessibleChild
 

platform/lvcs-impl/src/com/intellij/history/utils/RunnableAdapter.java

@@ -1,22 +1,9 @@
-/*
- * Copyright 2000-2009 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.
 
 package com.intellij.history.utils;
 
 public abstract class RunnableAdapter implements Runnable {
+  @Override
   public void run() {
     try {
       doRun();

platform/lvcs-impl/src/com/intellij/openapi/command/impl/ChangeRange.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 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.
 
 package com.intellij.openapi.command.impl;
 
@@ -47,6 +33,7 @@ public class ChangeRange {
     final Ref<Long> first = new Ref<>();
     final Ref<Long> last = new Ref<>();
     LocalHistoryFacade.Listener l = new LocalHistoryFacade.Listener() {
+      @Override
       public void changeAdded(Change c) {
         if (first.isNull()) first.set(c.getId());
         last.set(c.getId());

platform/platform-impl/src/com/intellij/openapi/command/impl/DocumentUndoProvider.java

@@ -18,7 +18,7 @@ import com.intellij.util.messages.MessageBusConnection;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-class DocumentUndoProvider {
+public class DocumentUndoProvider {
   private static final Key<Boolean> UNDOING_EDITOR_CHANGE = Key.create("DocumentUndoProvider.UNDOING_EDITOR_CHANGE");
 
   DocumentUndoProvider(@Nullable Project project, @NotNull  MessageBusConnection busConnection) {