import static java.util.Arrays.asList;
import static java.util.Collections.sort;
import static junit.framework.Assert.assertEquals;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.ContiguousSet;
import com.google.common.collect.DiscreteDomain;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSortedSet;

import static java.util.Arrays.asList;
import static java.util.Collections.disjoint;
import static java.util.Collections.unmodifiableSet;
import static java.util.logging.Level.FINER;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.testing.features.ConflictingRequirementsException;
import com.google.common.collect.testing.features.Feature;
import com.google.common.collect.testing.features.FeatureUtil;

   * well.
   */
  @GwtIncompatible // Predicates.instanceOf
  public void testIsInstanceOf_apply() {
    Predicate<@Nullable Object> isInteger = Predicates.instanceOf(Integer.class);

    assertTrue(isInteger.apply(1));
    assertFalse(isInteger.apply(2.0f));
    assertFalse(isInteger.apply(""));
    assertFalse(isInteger.apply(null));
  }

  @GwtIncompatible // Predicates.instanceOf

    assertThrows(IllegalStateException.class, () -> builder.maximumSize(16));
  }

  @GwtIncompatible // maximumWeight
  public void testMaximumSize_andWeight() {
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder().maximumSize(16);
    assertThrows(IllegalStateException.class, () -> builder.maximumWeight(16));
  }

  @GwtIncompatible // digs into internals of the non-GWT implementation

    assertThrows(NullPointerException.class, () -> Functions.toStringFunction().apply(null));
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testToStringFunctionSerializable() {
    checkCanReserializeSingleton(Functions.toStringFunction());
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointerExceptions() {
    NullPointerTester tester = new NullPointerTester();

   *     versions.
   */
  @Deprecated
  @J2ktIncompatible
  @GwtIncompatible // getStackTraceElementMethod
  public static boolean lazyStackTraceIsLazy() {
    return getStackTraceElementMethod != null && getStackTraceDepthMethod != null;
  }

  @J2ktIncompatible
  @GwtIncompatible // invokeAccessibleNonThrowingMethod
  private static List<StackTraceElement> jlaStackTrace(Throwable t) {

    assertThrows(NullPointerException.class, () -> Functions.toStringFunction().apply(null));
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testToStringFunctionSerializable() {
    checkCanReserializeSingleton(Functions.toStringFunction());
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointerExceptions() {
    NullPointerTester tester = new NullPointerTester();

import static com.google.common.collect.Internal.toNanosSaturated;
import static java.util.concurrent.TimeUnit.NANOSECONDS;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Preconditions;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.time.Duration;
import java.util.ArrayDeque;

import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.Objects.requireNonNull;
import static java.util.concurrent.TimeUnit.SECONDS;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.CharMatcher;
import com.google.common.base.Defaults;
import com.google.common.base.Equivalence;
import com.google.common.base.Joiner;

    }
  }

  @GwtIncompatible // TODO
  public void testLog10ZeroAlwaysThrows() {
    for (RoundingMode mode : ALL_ROUNDING_MODES) {
      assertThrows(IllegalArgumentException.class, () -> BigIntegerMath.log10(ZERO, mode));
    }
  }

  @GwtIncompatible // TODO
  public void testLog10NegativeAlwaysThrows() {