import com.intellij.uiDesigner.FormEditingUtil;
import com.intellij.uiDesigner.componentTree.ComponentSelectionListener;
import com.intellij.uiDesigner.palette.ComponentItem;
import com.intellij.uiDesigner.radComponents.RadComponent;
import com.intellij.uiDesigner.radComponents.RadContainer;
<BUG>import com.intellij.uiDesigner.radComponents.RadRootContainer;
import gnu.trove.TIntArrayList;</BUG>
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import java.awt.*;

import com.intellij.uiDesigner.FormEditingUtil;
import com.intellij.uiDesigner.componentTree.ComponentSelectionListener;
import com.intellij.uiDesigner.palette.ComponentItem;
import com.intellij.uiDesigner.radComponents.RadComponent;
import com.intellij.uiDesigner.radComponents.RadContainer;
import com.intellij.uiDesigner.radComponents.RadRootContainer;
import com.intellij.util.ui.UIUtil;
import gnu.trove.TIntArrayList;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import java.awt.*;
