private @Nullable EnumSet<E> set;

    void add(E e) {
      if (set == null) {
        set = EnumSet.of(e);
      } else {
        set.add(e);
      }
    }

    EnumSetAccumulator<E> combine(EnumSetAccumulator<E> other) {
      if (this.set == null) {
        return other;
      } else if (other.set == null) {
        return this;
      } else {

import java.lang.annotation.RetentionPolicy;
import java.util.Set;

/**
 * Optional features of classes derived from {@code Multimap}.
 *
 * @author Louis Wasserman
 */
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum MultimapFeature implements Feature<Multimap> {
  VALUE_COLLECTIONS_SUPPORT_ITERATOR_REMOVE;

  private final Set<Feature<? super Multimap>> implied;

    } // -- void removeExtension( CoreExtension )

    /**
     * Set a set of build extensions to use from this project.
     *
     * @param extensions a extensions object.
     */
    public void setExtensions(List<CoreExtension> extensions) {
        this.extensions = extensions;
    } // -- void setExtensions( List )

    /**
     * Set the modelEncoding field.
     *

    doLast {
        val optsEnvVar = "DEFAULT_JVM_OPTS"
        scriptFile.writeText(scriptFile.readText().replace("$optsEnvVar='", "$optsEnvVar='$jvmOpts "))
        batchScript.writeText(batchScript.readText().replace("set $optsEnvVar=", "set $optsEnvVar=$jvmOpts "))
    }
}

fun Project.wrapperUpdateTask(name: String, label: String) {
    val wrapperTaskName = "${name}Wrapper"

  @Override
  public Set<Cell<R, C, V>> cellSet() {
    return delegate().cellSet();
  }

  @Override
  public void clear() {
    delegate().clear();
  }

  @Override
  public Map<R, V> column(@ParametricNullness C columnKey) {
    return delegate().column(columnKey);
  }

  @Override
  public Set<C> columnKeySet() {
    return delegate().columnKeySet();
  }

  }

  @LazyInit private transient @Nullable Set<K> keySet;

  @Override
  public Set<K> keySet() {
    Set<K> result = keySet;
    return (result == null) ? keySet = createKeySet() : result;
  }

  abstract Set<K> createKeySet();

  @LazyInit private transient @Nullable Multiset<K> keys;

  @Override
  public Multiset<K> keys() {

    }

    @Test
    @DisplayName("Should set and get nonce")
    void testNonce() {
        // When
        transformHeader.setNonce(testNonce);

        // Then
        assertArrayEquals(testNonce, transformHeader.getNonce());
    }

    @Test
    @DisplayName("Should set and get original message size")
    void testOriginalMessageSize() {
        // Given

import com.google.common.annotations.GwtCompatible;
import java.util.Set;

/**
 * Base class for enumerating the features of an interface to be tested.
 *
 * @param <T> The interface whose features are to be enumerated.
 * @author George van den Driessche
 */
@GwtCompatible
public interface Feature<T> {
  /** Returns the set of features that are implied by this feature. */
  Set<Feature<? super T>> getImpliedFeatures();

import java.util.NoSuchElementException;
import java.util.SortedSet;
import org.jspecify.annotations.Nullable;

/**
 * A sorted set which forwards all its method calls to another sorted set. Subclasses should
 * override one or more methods to modify the behavior of the backing sorted set as desired per the
 * <a href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>.
 *

	r := gorm.WithResult()
	if err := gorm.G[withResultUser](db, r).Create(ctx, &u); err != nil {
		t.Fatalf("create failed: %v", err)
	}
	if u.ID == 0 {
		t.Fatalf("expected ID to be set")
	}
	if r.Error != nil {
		t.Fatalf("unexpected result error: %v", r.Error)
	}
	if r.RowsAffected <= 0 {
		t.Fatalf("expected RowsAffected > 0, got %d", r.RowsAffected)
	}