UncaughtExceptionHandler uncaughtExceptionHandler) {
    this.uncaughtExceptionHandler = checkNotNull(uncaughtExceptionHandler);
    return this;
  }

  /**
   * Sets the backing {@link ThreadFactory} for new threads created with this ThreadFactory. Threads
   * will be created by invoking #newThread(Runnable) on this backing {@link ThreadFactory}.
   *

import com.google.common.testing.TearDown;
import com.google.common.testing.TearDownStack;
import com.google.common.util.concurrent.testing.TestingExecutors;
import java.lang.Thread.UncaughtExceptionHandler;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import com.google.common.cache.LocalCache.Segment;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.testing.NullPointerTester;
import java.lang.Thread.UncaughtExceptionHandler;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicReference;

import com.google.common.cache.LocalCache.Segment;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.testing.NullPointerTester;
import java.lang.Thread.UncaughtExceptionHandler;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicReference;

import com.google.common.testing.TearDown;
import com.google.common.testing.TearDownStack;
import com.google.common.util.concurrent.testing.TestingExecutors;
import java.lang.Thread.UncaughtExceptionHandler;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

        return documentSize;
    }

    @Override
    public void setUncaughtExceptionHandler(final UncaughtExceptionHandler eh) {
        super.setUncaughtExceptionHandler(eh);
    }

    public static void setDefaultUncaughtExceptionHandler(final UncaughtExceptionHandler eh) {
        Thread.setDefaultUncaughtExceptionHandler(eh);
    }

import com.google.common.testing.SerializableTester;
import com.google.common.util.concurrent.Uninterruptibles;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.lang.Thread.UncaughtExceptionHandler;
import java.math.RoundingMode;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

   *       complex cases may require using thread pools or making deeper changes.)
   *   <li>If an exception propagates out of a {@code Runnable}, it is not necessarily seen by any
   *       {@code UncaughtExceptionHandler} for the thread. For example, if the callback passed to
   *       {@link Futures#addCallback} throws an exception, that exception will be typically be