*/
@GwtIncompatible
@J2ktIncompatible
@ElementTypesAreNonnullByDefault
public abstract class AbstractScheduledService implements Service {
  private static final LazyLogger logger = new LazyLogger(AbstractScheduledService.class);

  /**
   * A scheduler defines the policy for how the {@link AbstractScheduledService} should run its
   * task.
   *

import static java.util.concurrent.TimeUnit.SECONDS;
import static org.junit.Assert.assertThrows;

import com.google.common.util.concurrent.AbstractScheduledService.Cancellable;
import com.google.common.util.concurrent.AbstractScheduledService.Scheduler;
import com.google.common.util.concurrent.Service.State;
import com.google.common.util.concurrent.testing.TestingExecutors;
import java.util.concurrent.BrokenBarrierException;

import static java.util.concurrent.TimeUnit.SECONDS;
import static org.junit.Assert.assertThrows;

import com.google.common.util.concurrent.AbstractScheduledService.Cancellable;
import com.google.common.util.concurrent.AbstractScheduledService.Scheduler;
import com.google.common.util.concurrent.Service.State;
import com.google.common.util.concurrent.testing.TestingExecutors;
import java.util.concurrent.BrokenBarrierException;