* @since 13.0 (since 3.0 as {@code Iterators.skip})
   */
  @CanIgnoreReturnValue
  public static int advance(Iterator<?> iterator, int numberToAdvance) {
    checkNotNull(iterator);
    checkArgument(numberToAdvance >= 0, "numberToAdvance must be nonnegative");

    int i;
    for (i = 0; i < numberToAdvance && iterator.hasNext(); i++) {
      iterator.next();
    }
    return i;
  }

from datetime import datetime

from pydantic import BaseModel


class User(BaseModel):
    id: int
    name: str = "John Doe"
    signup_ts: datetime | None = None
    friends: list[int] = []


external_data = {
    "id": "123",
    "signup_ts": "2017-06-01 12:22",
    "friends": [1, "2", b"3"],
}
user = User(**external_data)
print(user)

     */
    int VALIDATION_LEVEL_MAVEN_3_0 = 30;

    /**
     * Denotes validation as performed by Maven 3.1. This validation level is meant for new projects.
     */
    int VALIDATION_LEVEL_MAVEN_3_1 = 31;

    /**
     * Denotes strict validation as recommended by the current Maven version.
     */
    int VALIDATION_LEVEL_STRICT = VALIDATION_LEVEL_MAVEN_3_0;

    /**

  public void testResolvePrimitiveArrayType() {
    assertEquals(new TypeToken<int[]>() {}.getType(), new Holder<int[]>() {}.getContentType());
    assertEquals(new TypeToken<int[][]>() {}.getType(), new Holder<int[][]>() {}.getContentType());
  }

  public void testResolveToGenericArrayType() {
    GenericArrayType arrayType =
        (GenericArrayType) new Holder<List<int[][]>[]>() {}.getContentType();

  public void testResolvePrimitiveArrayType() {
    assertEquals(new TypeToken<int[]>() {}.getType(), new Holder<int[]>() {}.getContentType());
    assertEquals(new TypeToken<int[][]>() {}.getType(), new Holder<int[][]>() {}.getContentType());
  }

  public void testResolveToGenericArrayType() {
    GenericArrayType arrayType =
        (GenericArrayType) new Holder<List<int[][]>[]>() {}.getContentType();

    Iterables.addAll(multiset, elements);
    return multiset;
  }

  LinkedHashMultiset(int distinctElements) {
    super(distinctElements);
  }

  @Override
  ObjectCountHashMap<E> newBackingMap(int distinctElements) {
    return new ObjectCountLinkedHashMap<>(distinctElements);
  }

  // TODO(cpovirk): Should we have a serialVersionUID here?

        private final String tag;

        private final int hash;

        Key(String groupId, String artifactId, String version, String tag) {
            this.groupId = groupId;
            this.artifactId = artifactId;
            this.version = version;
            this.tag = tag;

            int h = 17;
            h = h * 31 + this.groupId.hashCode();

    protected int maxDeleteDocumentCacheSize;

    /** Maximum number of redirects to follow when processing URLs. */
    protected int maxRedirectCount;

    /** Executor service for concurrent processing of file operations. */
    private final ExecutorService executor;

    /** Timeout in seconds for executor service termination during shutdown. */
    private int executorTerminationTimeout = 300;

    /** The element. */
    private final T element;

    /** The index of the element. */
    private final int index;

    /**
     * Constructor.
     *
     * @param element the element
     * @param index the index of the element
     */
    public Indexed(final T element, final int index) {
        this.element = element;
        this.index = index;
    }

    /**
     * Returns the element.

   * @return this instance
   * @throws IndexOutOfBoundsException if {@code off < 0} or {@code off + len > bytes.length} or
   *     {@code len < 0}
   */
  @CanIgnoreReturnValue
  PrimitiveSink putBytes(byte[] bytes, int off, int len);

  /**
   * Puts the remaining bytes of a byte buffer into this sink. {@code bytes.position()} is the first
   * byte written, {@code bytes.limit() - 1} is the last. The position of the buffer will be equal