import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
-import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ThreadFactory;
+import javassist.ClassPool;
+
import org.opendaylight.controller.sal.binding.codegen.RuntimeCodeGenerator;
import org.opendaylight.controller.sal.binding.spi.NotificationInvokerFactory;
import com.google.common.util.concurrent.MoreExecutors;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
-import javassist.ClassPool;
-
public class SingletonHolder {
public static final ClassPool CLASS_POOL = new ClassPool();