*/
@GwtCompatible
public abstract class AbstractSequentialIterator<T> extends UnmodifiableIterator<T> {
  private @Nullable T nextOrNull;

  /**
   * Creates a new iterator with the given first element, or, if {@code firstOrNull} is null,
   * creates a new empty iterator.
   */
  protected AbstractSequentialIterator(@Nullable T firstOrNull) {
    this.nextOrNull = firstOrNull;
  }

  /**

    /** Map of session IDs to exclude URL patterns for filtering URLs. */
    protected volatile Map<String, List<Pattern>> excludeUrlPatternMap = new HashMap<>();

    /**
     * Creates a new MemoryDataHelper instance.
     */
    public MemoryDataHelper() {
        super();
    }

    /**
     * Clears all URL queues and session data.
     */
    public void clear() {

    /**
     * Do not instantiate.
     */
    protected ReaderUtil() {
    }

    /** Default buffer size */
    private static final int BUF_SIZE = 4096;

    /**
     * Creates a {@link Reader} to read from a file with the specified encoding.
     *
     * @param is
     *            the input stream (must not be {@literal null})
     * @param encoding

     */
    private final String className;

    /**
     * Creates a {@link ClassNotFoundRuntimeException}.
     *
     * @param cause the underlying exception
     */
    public ClassNotFoundRuntimeException(final ClassNotFoundException cause) {
        this(null, cause);
    }

    /**
     * Creates a {@link ClassNotFoundRuntimeException}.
     *
     * @param className the class name

class Item(BaseModel):
    name: str
    description: Union[str, None] = Field(
        default=None, title="The description of the item", max_length=300
    )
    price: float = Field(gt=0, description="The price must be greater than zero")
    tax: Union[float, None] = None


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Item = Body(embed=True)):
    results = {"item_id": item_id, "item": item}

    /**
     * Creates a new settings source backed by the specified string.
     *
     * @param settings The settings' string representation, may be empty or {@code null}.
     */
    public StringSettingsSource(CharSequence settings) {
        this(settings, null);
    }

    /**
     * Creates a new settings source backed by the specified string.
     *

class Item(BaseModel):
    name: str
    description: Union[str, None] = Field(
        default=None, title="The description of the item", max_length=300
    )
    price: float = Field(gt=0, description="The price must be greater than zero")
    tax: Union[float, None] = None


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Annotated[Item, Body(embed=True)]):
    results = {"item_id": item_id, "item": item}

     * before executing the appropriate query command.
     */
    protected FilterChain filterChain;

    /**
     * Initializes the query processor after construction.
     * This method creates the initial filter chain from the registered filters.
     * Called automatically by the DI container after bean construction.
     */
    @PostConstruct
    public void init() {
        createFilterChain();
    }

        DEFAULT_WORKSTATION = defaultWorkstation;
    }

    /**
     * Creates a Type-1 message using default values from the current
     * environment.
     */
    public Type1Message() {
        this(getDefaultFlags(), getDefaultDomain(), getDefaultWorkstation());
    }

    /**
     * Creates a Type-1 message with the specified parameters.
     *
     * @param flags The flags to apply to this message.

    protected final Iterator<T> iterator;

    /**
     * Creates an {@link IteratorEnumeration}.
     *
     * @param iterator the iterator (must not be {@literal null})
     */
    public IteratorEnumeration(final Iterator<T> iterator) {
        assertArgumentNotNull("iterator", iterator);
        this.iterator = iterator;
    }

    /**
     * Creates an {@link IteratorEnumeration}.
     *