import java.io.IOException;

/**
 * Package-protected abstract class that implements the line reading algorithm used by {@link
 * LineReader}. Line separators are per {@link java.io.BufferedReader}: line feed, carriage return,
 * or carriage return followed immediately by a linefeed.
 *
 * <p>Subclasses must implement {@link #handleLine}, call {@link #add} to pass character data, and
 * call {@link #finish} at the end of stream.
 *

{* ../../docs_src/path_operation_advanced_configuration/tutorial003_py310.py hl[6] *}

## 從 docstring 提供進階描述 { #advanced-description-from-docstring }

你可以限制 OpenAPI 從*路徑操作函式*的 docstring 中使用的內容行數。

加上一個 `\f`（跳頁字元，form feed）會讓 FastAPI 在此處截斷用於 OpenAPI 的輸出。

這個字元不會出現在文件中，但其他工具（例如 Sphinx）仍可使用其後的內容。

{* ../../docs_src/path_operation_advanced_configuration/tutorial004_py310.py hl[17:27] *}

## 額外回應 { #additional-responses }

   * response to a sender.
   *
   * @since 8.0
   */
  public static final byte ACK = 6;

  /**
   * Bell ('\a'): A character for use when there is a need to call for human attention. It may
   * control alarm or attention devices.
   *
   * @since 8.0
   */
  public static final byte BEL = 7;

  /**

## docstringによる説明の高度な設定 { #advanced-description-from-docstring }

*path operation関数* のdocstringからOpenAPIに使用する行を制限できます。

`\f`（エスケープされた「書式送り（form feed）」文字）を追加すると、**FastAPI** はその地点でOpenAPIに使用される出力を切り詰めます。

ドキュメントには表示されませんが、他のツール（Sphinxなど）は残りの部分を利用できます。

{* ../../docs_src/path_operation_advanced_configuration/tutorial004_py310.py hl[17:27] *}

   * the XML specification.
   *
   * <p>This escaper does not escape non-ASCII characters to their numeric character references
   * (NCR). However, horizontal tab {@code '\t'}, line feed {@code '\n'} and carriage return {@code
   * '\r'} are escaped to a corresponding NCR {@code "&#x9;"}, {@code "&#xA;"}, and {@code "&#xD;"}
   * respectively. Any other non-ASCII characters appearing in the input will be preserved in the

   * The caller is responsible for <a
   * href="https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#multipart-form-data">replacing
   * any unpaired carriage return or line feed characters with a CR+LF pair</a> on any non-file
   * inputs before escaping them with this escaper.
   *
   * <p>When escaping a String, the following rules apply:
   *
   * <ul>

   * response to a sender.
   *
   * @since 8.0
   */
  public static final byte ACK = 6;

  /**
   * Bell ('\a'): A character for use when there is a need to call for human attention. It may
   * control alarm or attention devices.
   *
   * @since 8.0
   */
  public static final byte BEL = 7;

  /**

 *
 * <p>Hasher accepts primitive data types, but can also accept any Object of type {@code T} provided
 * that you implement a {@link Funnel}{@code <T>} to specify how to "feed" data from that object
 * into the function. (See {@linkplain Hasher#putObject an example} of this.)
 *
 * <p><b>Compatibility note:</b> Throughout this API, multibyte values are always interpreted in

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
        ComponentUtil.register(new DataSerializer(), "dataSerializer");
        // Register protocolHelper - it doesn't need FessConfig for the methods used in tests
        ComponentUtil.register(new ProtocolHelper(), "protocolHelper");
    }

    @Test
    public void test_transform() throws Exception {

 *       {@code Number}, and primitive varargs are supported.
 *   <li>Or, to avoid storing up all the data first, create a {@link StatsAccumulator} instance,
 *       feed values to it as you get them, then call {@link StatsAccumulator#snapshot}.
 * </ul>
 *
 * <p>Static convenience methods called {@code meanOf} are also provided for users who wish to
 * calculate <i>only</i> the mean.
 *