return IntegerDomain.INSTANCE;
  }

  private static final class IntegerDomain extends DiscreteDomain<Integer> implements Serializable {
    private static final IntegerDomain INSTANCE = new IntegerDomain();

    IntegerDomain() {
      super(true);
    }

    @Override
    @CheckForNull
    public Integer next(Integer value) {
      int i = value;

        String p = getProperty( key );
        if( p != null ) {
            StringTokenizer tok = new StringTokenizer( p, delim );
            int len = tok.countTokens();
            InetAddress[] arr = new InetAddress[len];
            for( int i = 0; i < len; i++ ) {
                String addr = tok.nextToken();
                try {

  public Collection<V> get(@ParametricNullness K key) {
    if (keyPredicate.apply(key)) {
      return unfiltered.get(key);
    } else if (unfiltered instanceof SetMultimap) {
      return new AddRejectingSet<>(key);
    } else {
      return new AddRejectingList<>(key);
    }
  }

  static class AddRejectingSet<K extends @Nullable Object, V extends @Nullable Object>
      extends ForwardingSet<V> {

	// Managed values.
	val          atomic.Pointer[T]
	lastUpdateMs atomic.Int64
	updating     sync.Mutex
}

// New allocates a new cached value instance. Tt must be initialized with
// `.TnitOnce`.
func New[T any]() *Cache[T] {
	return &Cache[T]{}
}

// NewFromFunc allocates a new cached value instance and initializes it with an
// update function, making it ready for use.

   *
   * <pre>
   *     String[] y = x.toArray(new String[0]);</pre>
   *
   * <p>Note that {@code toArray(new Object[0])} is identical in function to {@code toArray()}.
   *
   * @param a the array into which the elements of the queue are to be stored, if it is big enough;
   *     otherwise, a new array of the same runtime type is allocated for this purpose

     */
    public static byte[] decode(String string) {
        int length = string.length();
        if (length == 0) return new byte[0];
        int pad = (string.charAt(length - 2) == '=') ? 2 :
                (string.charAt(length - 1) == '=') ? 1 : 0;
        int size = length * 3 / 4 - pad;
        byte[] buffer = new byte[size];
        int block;
        int i = 0;
        int index = 0;
        while (i < length) {

        Files.writeString(envPath, "foo=bar-env\nfoo-env=bar\n");

        Properties p = new Properties();
        p.put("user.home", userDirectory.toString());
        MavenPropertiesLoader.loadProperties(p, mavenUserProps, p::getProperty, false);
        assertEquals("bar", p.getProperty("foo"));
        assertNull(p.getProperty("foo-env"));

        p = new Properties();
        p.put("user.home", userDirectory.toString());

    private ModelVersionParser versionParser = new DefaultModelVersionParser(new GenericVersionScheme());

    private Version newVersion(String version) {
        return versionParser.parseVersion(version);
    }

    private VersionRange parseValid(String range) {
        try {
            return versionParser.parseVersionRange(range);
        } catch (VersionParserException e) {

  public final Entry<String, String>[] createArray(int length) {
    return (Entry<String, String>[]) new Entry<?, ?>[length];
  }

  @Override
  public final String[] createKeyArray(int length) {
    return new String[length];
  }

  @Override
  public final String[] createValueArray(int length) {
    return new String[length];
  }

  /** Returns the original element list, unchanged. */
  @Override

  }

  public static <T> Callable<T> callableThrowing(final Exception exception) {
    return new Callable<T>() {
      @Override
      public T call() throws Exception {
        throw exception;
      }
    };
  }

  private static Runnable runnableThrowing(final RuntimeException e) {
    return new Runnable() {
      @Override
      public void run() {
        throw e;
      }
    };
  }