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

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

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

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

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

import java.util.Collections;
import java.util.Map;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * GWT implementation of {@link ImmutableMap} that forwards to another map.
 *
 * @author Hayward Chan
 */
public abstract class ForwardingImmutableMap<K, V> extends ImmutableMap<K, V> {

  final transient Map<K, V> delegate;

import java.util.Collections;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * GWT implementation of {@link ImmutableSet} that forwards to another {@code Set} implementation.
 *
 * @author Hayward Chan
 */
@SuppressWarnings("serial") // Serialization only done in GWT.
public abstract class ForwardingImmutableSet<E> extends ImmutableSet<E> {
  private final transient Set<E> delegate;

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 {

package com.google.common.collect.testing;

import java.util.Arrays;

/**
 * Minimal GWT emulation of {@code com.google.common.collect.testing.Platform}.
 *
 * <p><strong>This .java file should never be consumed by javac.</strong>
 *
 * @author Hayward Chan
 */
final class Platform {
  // Class.cast is not supported in GWT.
  static void checkCast(Class<?> clazz, Object obj) {}

  static <T> T[] clone(T[] array) {

      this.map = map;
      this.entries = entries;
    }

    @Override
    ImmutableMap<K, V> map() {
      return map;
    }

    @Override
    @GwtIncompatible // not used in GWT
    int copyIntoArray(@Nullable Object[] dst, int offset) {
      return entries.copyIntoArray(dst, offset);
    }

    @Override
    public UnmodifiableIterator<Entry<K, V>> iterator() {

  @GwtIncompatible // BigIntegerMath // TODO(cpovirk): GWT-enable BigIntegerMath
  public void testMaxLog10ForLeadingZeros() {
    for (int i = 0; i < Integer.SIZE; i++) {
      assertEquals(
          BigIntegerMath.log10(BigInteger.ONE.shiftLeft(Integer.SIZE - i), FLOOR),
          IntMath.maxLog10ForLeadingZeros[i]);
    }
  }

  @GwtIncompatible // BigIntegerMath // TODO(cpovirk): GWT-enable BigIntegerMath

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 {

import java.util.Iterator;
import java.util.List;
import java.util.RandomAccess;
import java.util.stream.Collector;
import jsinterop.annotations.JsMethod;
import org.jspecify.annotations.Nullable;

/**
 * GWT emulated version of {@link com.google.common.collect.ImmutableList}. TODO(cpovirk): more doc
 *
 * @author Hayward Chan
 */
@SuppressWarnings("serial") // we're overriding default serialization