* callbacks. Its subclasses must manage threads manually; consider {@link
 * AbstractExecutionThreadService} if you need only a single execution thread.
 *
 * @author Jesse Wilson
 * @author Luke Sandberg
 * @since 1.0
 */
@GwtIncompatible
@J2ktIncompatible
@ElementTypesAreNonnullByDefault
public abstract class AbstractService implements Service {

import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;

/**
 * Test for {@link WrappingScheduledExecutorService}
 *
 * @author Luke Sandberg
 */
public class WrappingScheduledExecutorServiceTest extends TestCase {
  private static final Runnable DO_NOTHING =
      new Runnable() {
        @Override
        public void run() {}
      };