<BUG>import javax.swing.JCheckBox;import javax.swing.JPopupMenu;</BUG><CONTEXT>import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.util.Arrays;import java.util.Collection;import javax.swing.JButton;<extra_id_0>import javax.swing.event.ChangeEvent;import javax.swing.event.ChangeListener;import org.apache.jmeter.gui.AbstractJMeterGuiComponent;</CONTEXT>
import javax.swing.JLabel;import javax.swing.JPopupMenu;