import junit.framework.AssertionFailedError;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/** Replacements for JUnit's {@code assertThrows} that work under GWT/J2CL. */
@GwtCompatible
@NullMarked
final class ReflectionFreeAssertThrows {
  interface ThrowingRunnable {
    void run() throws Throwable;
  }

  interface ThrowingSupplier {

  private static List<Float> asList(Float[] values) {
    float[] temp = new float[values.length];
    for (int i = 0; i < values.length; i++) {
      temp[i] = checkNotNull(values[i]); // checkNotNull for GWT (do not optimize).
    }
    return Floats.asList(temp);
  }

  @J2ktIncompatible
  @GwtIncompatible // suite
  public static Test suite() {
    List<ListTestSuiteBuilder<Float>> builders =

  private static List<Integer> asList(Integer[] values) {
    int[] temp = new int[values.length];
    for (int i = 0; i < values.length; i++) {
      temp[i] = checkNotNull(values[i]); // checkNotNull for GWT (do not optimize).
    }
    return Ints.asList(temp);
  }

  @J2ktIncompatible
  @GwtIncompatible // suite
  public static Test suite() {
    List<ListTestSuiteBuilder<Integer>> builders =

 * limitations under the License.
 */

package com.google.common.collect;

import com.google.common.annotations.GwtCompatible;

/**
 * Unused stub class, unreferenced under Java and manually emulated under GWT.
 *
 * @author Chris Povirk
 */
@GwtCompatible
abstract class ForwardingImmutableMap<K, V> {
  private ForwardingImmutableMap() {}

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common;

import com.google.gwt.core.client.EntryPoint;

/**
 * A dummy entry point for our tests.
 *
 * @author Chris Povirk
 */
public class GuavaTestsEntryPoint implements EntryPoint {
  @Override
  public void onModuleLoad() {}

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.collect;

import java.util.SortedSet;

/**
 * GWT emulation of {@link RegularImmutableSortedSet}.
 *
 * @author Hayward Chan
 */
final class RegularImmutableSortedSet<E> extends ImmutableSortedSet<E> {
  /** true if this set is a subset of another immutable sorted set. */

 */

package com.google.common.cache;

import com.google.common.annotations.GwtCompatible;
import java.util.concurrent.atomic.LongAdder;

/**
 * Source of {@link LongAddable} objects that deals with GWT and all that.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
final class LongAddables {
  public static LongAddable create() {
    return new JavaUtilConcurrentLongAdder();
  }

 */

package com.google.common.collect;

import static java.util.Collections.emptyList;
import static java.util.Collections.unmodifiableList;

import java.util.List;

/**
 * GWT emulated version of {@link RegularImmutableList}.
 *
 * @author Hayward Chan
 */
final class RegularImmutableList<E> extends ForwardingImmutableList<E> {

 * limitations under the License.
 */

package com.google.common.collect;

import static com.google.common.base.Preconditions.checkNotNull;

import org.jspecify.annotations.Nullable;

/**
 * GWT emulation of {@link SingletonImmutableSet}.
 *
 * @author Hayward Chan
 */
final class SingletonImmutableSet<E> extends ImmutableSet<E> {
  private final E element;

  SingletonImmutableSet(E element) {

   *
   * Then we declare the getters for these fields as @GwtIncompatible so that no one can try to use
   * them under J2CL—or, as an unfortunate side effect, under GWT. We do still give the fields
   * themselves their proper values under GWT, since GWT's EnumMap does need the Class instance.
   *
   * Note that sometimes these fields *do* have correct values under J2CL: They will if the caller