import static com.google.common.util.concurrent.testing.TestingExecutors.noOpScheduledExecutor;
import static java.util.Arrays.asList;
import static java.util.concurrent.Executors.newSingleThreadExecutor;
import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.NANOSECONDS;

import static com.google.common.util.concurrent.testing.TestingExecutors.noOpScheduledExecutor;
import static java.util.Arrays.asList;
import static java.util.concurrent.Executors.newSingleThreadExecutor;
import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.NANOSECONDS;

              failures.add(failure);
            }
          });

  final ListeningExecutorService executor =
      MoreExecutors.listeningDecorator(newSingleThreadExecutor());
  final ExecutorService closingExecutor = newSingleThreadExecutor();

  final TestCloseable closeable1 = new TestCloseable("closeable1");
  final TestCloseable closeable2 = new TestCloseable("closeable2");

              failures.add(failure);
            }
          });

  final ListeningExecutorService executor =
      MoreExecutors.listeningDecorator(newSingleThreadExecutor());
  final ExecutorService closingExecutor = newSingleThreadExecutor();

  final TestCloseable closeable1 = new TestCloseable("closeable1");
  final TestCloseable closeable2 = new TestCloseable("closeable2");

        Path dirToDelete = fs.getPath("dir/b/i");
        Path changingFile = dirToDelete.resolve("j/l");
        Path symlinkTarget = fs.getPath("/dontdelete");

        ExecutorService executor = Executors.newSingleThreadExecutor();
        startDirectorySymlinkSwitching(changingFile, symlinkTarget, executor);

        try {
          for (int i = 0; i < iterations; i++) {
            try {

import static com.google.common.truth.Truth.assertThat;
import static com.google.common.util.concurrent.MoreExecutors.listeningDecorator;
import static java.lang.Thread.State.WAITING;
import static java.util.concurrent.Executors.newSingleThreadExecutor;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.MINUTES;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;

import static com.google.common.truth.Truth.assertThat;
import static com.google.common.util.concurrent.MoreExecutors.listeningDecorator;
import static java.lang.Thread.State.WAITING;
import static java.util.concurrent.Executors.newSingleThreadExecutor;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.MINUTES;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;

   * despite not throwing a RejectedExecutionException synchronously with the call to {@code
   * execute}. If this behaviour is problematic, use an Executor with a single thread (e.g. {@link
   * Executors#newSingleThreadExecutor}).
   *
   * @since 23.3 (since 23.1 as {@code sequentialExecutor})
   */
  @J2ktIncompatible
  @GwtIncompatible
  public static Executor newSequentialExecutor(Executor delegate) {