}

  @Override
  ImmutableSet<Entry<K, V>> createEntrySet() {
    return new ImmutableMapEntrySet.RegularEntrySet<>(this, entries);
  }

  @Override
  public void forEach(BiConsumer<? super K, ? super V> action) {
    checkNotNull(action);
    entries.forEach(e -> action.accept(e.getKey(), e.getValue()));
  }

  @Override
  ImmutableSet<K> createKeySet() {

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import org.jspecify.annotations.Nullable;

@GwtCompatible
abstract class IndexedImmutableSet<E> extends ImmutableSet<E> {
  abstract E get(int index);

  @Override
  public UnmodifiableIterator<E> iterator() {
    return asList().iterator();
  }

  @Override
  @GwtIncompatible

  /**
   * RegularImmutableAsList should assume its input is null-free without checking, because it only
   * gets invoked from other immutable collections.
   */
  public void testDoesntCheckForNull() {
    ImmutableSet<Integer> set = ImmutableSet.of(1, 2, 3);
    ImmutableList<Integer> unused =
        new RegularImmutableAsList<Integer>(set, new @Nullable Object[] {null, null, null});
    // shouldn't throw!
  }

@GwtCompatible
@NullUnmarked
public class UnsignedLongTest extends TestCase {
  private static final ImmutableSet<Long> TEST_LONGS;
  private static final ImmutableSet<BigInteger> TEST_BIG_INTEGERS;

  static {
    ImmutableSet.Builder<Long> testLongsBuilder = ImmutableSet.builder();
    ImmutableSet.Builder<BigInteger> testBigIntegersBuilder = ImmutableSet.builder();

  private final ByteArrayOutputStream bytes = new ByteArrayOutputStream();
  private final ImmutableSet<TestOption> options;

  private boolean outputStreamOpened;
  private boolean outputStreamClosed;

  public TestByteSink(TestOption... options) {
    this.options = ImmutableSet.copyOf(options);
  }

  byte[] getBytes() {
    return bytes.toByteArray();
  }

  @Override

import com.google.common.collect.ImmutableSet;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Arrays;
import org.jspecify.annotations.NullUnmarked;

/**
 * @author Colin Decker
 */
@NullUnmarked
public class TestOutputStream extends FilterOutputStream {

  private final ImmutableSet<TestOption> options;
  private boolean closed;

          "staticOneArgNullableThrowsNpe");
  private static final ImmutableSet<String> STATIC_ONE_ARG_METHODS_SHOULD_FAIL =
      ImmutableSet.of("staticOneArgThrowsOtherThanNpe", "staticOneArgShouldThrowNpeButDoesnt");
  private static final ImmutableSet<String> NONSTATIC_ONE_ARG_METHODS_SHOULD_PASS =
      ImmutableSet.of(
          "oneArgCorrectlyThrowsNpe",
          "oneArgCheckForNullCorrectlyDoesNotThrowNpe",

  }

  @Override
  public int size() {
    return 1;
  }

  @Override
  ImmutableSet<Cell<R, C, V>> createCellSet() {
    return ImmutableSet.of(cellOf(singleRowKey, singleColumnKey, singleValue));
  }

  @Override
  ImmutableCollection<V> createValues() {
    return ImmutableSet.of(singleValue);
  }

  @Override
  @J2ktIncompatible
  @GwtIncompatible
    Object writeReplace() {

import com.google.common.collect.ImmutableSet;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Arrays;
import org.jspecify.annotations.NullUnmarked;

/**
 * @author Colin Decker
 */
@NullUnmarked
public class TestOutputStream extends FilterOutputStream {

  private final ImmutableSet<TestOption> options;
  private boolean closed;

import com.google.common.collect.ImmutableSet;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import org.jspecify.annotations.NullUnmarked;

/**
 * @author Colin Decker
 */
@NullUnmarked
public class TestInputStream extends FilterInputStream {

  private final ImmutableSet<TestOption> options;
  private boolean closed;