* Creates an {@code AtomicReference} instance with no initial value.
   *
   * @return a new {@code AtomicReference} with no initial value
   */
  public static <V> AtomicReference<@Nullable V> newReference() {
    return new AtomicReference<>();
  }

  /**
   * Creates an {@code AtomicReference} instance with the given initial value.
   *
   * @param initialValue the initial value

            final StringBuilder value = new StringBuilder();
            final Iterator<String> values = property.getValue().iterator();
            while (values.hasNext()) {
                value.append(values.next());
                if (values.hasNext()) {
                    value.append(", ");
                }
            }
            this.setRequestProperty(key, value.toString());
        }

    }
  }

  private static final class Collider {
    final int value;

    Collider(int value) {
      this.value = value;
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      return obj instanceof Collider && ((Collider) obj).value == value;
    }

    @Override
    public int hashCode() {
      return 1; // evil!
    }
  }

        flushAttributes();
        builder.append(value);
        return this;
    }

    public Ansi a(double value) {
        flushAttributes();
        builder.append(value);
        return this;
    }

    public Ansi a(float value) {
        flushAttributes();
        builder.append(value);
        return this;
    }

    public Ansi a(int value) {

        super("ECL0097", asArray(propertyName, value, cause), cause);
        this.propertyName = propertyName;
        this.value = value;
    }

    /**
     * Returns the property name.
     *
     * @return Property name
     */
    public String getPropertyName() {
        return propertyName;
    }

    /**
     * Returns the value.
     *

    }

    static <K, V> Map<K, V> singletonMap(K key, V value) {
        return new Map1<>(key, value);
    }

    private static class Map1<K, V> extends AbstractImmutableMap<K, V> {
        private final Entry<K, V> entry;

        private Map1(K key, V value) {
            this.entry = new SimpleImmutableEntry<>(key, value);
        }

        @Override
        public Set<Entry<K, V>> entrySet() {

    }

    @Test
    public void test_getId_negativeValue() {
        // Test with negative ID value
        dictionaryItem.id = -456L;
        assertEquals(-456L, dictionaryItem.getId());
    }

    @Test
    public void test_getId_maxValue() {
        // Test with maximum Long value
        dictionaryItem.id = Long.MAX_VALUE;
        assertEquals(Long.MAX_VALUE, dictionaryItem.getId());
    }

// Singleton contains a pointer to T that must be set once.
// Until the value is set all Get() calls will block.
type Singleton[T any] struct {
	v   *T
	set chan struct{}
}

// NewSingleton creates a new unset singleton.
func NewSingleton[T any]() *Singleton[T] {
	return &Singleton[T]{set: make(chan struct{}), v: nil}
}

// Get will return the singleton value.
func (s *Singleton[T]) Get() *T {
	<-s.set
	return s.v
}

func appendSettingFromTag(tag reflect.StructTag, value string) reflect.StructTag {
	t := tag.Get("gorm")
	if strings.Contains(t, value) {
		return tag
	}
	return reflect.StructTag(fmt.Sprintf(`gorm:"%s;%s"`, value, t))
}

// GetRelationsValues get relations's values from a reflect value
func GetRelationsValues(ctx context.Context, reflectValue reflect.Value, rels []*Relationship) (reflectResults reflect.Value) {
	for _, rel := range rels {

      return column;
    }

    @Override
    public V getValue() {
      return value;
    }

    void merge(V value, BinaryOperator<V> mergeFunction) {
      checkNotNull(value, "value");
      this.value = checkNotNull(mergeFunction.apply(this.value, value), "mergeFunction.apply");
    }
  }

  private static <R extends @Nullable Object, C extends @Nullable Object, V> void mergeTables(