*
     * @param is the input stream to read from
     * @param charset the character encoding to use for reading
     * @param bufferSize the maximum number of lines to keep in the buffer (0 to disable buffering)
     * @param outputCallback optional callback function to process each line (can be null)
     */
    public InputStreamThread(final InputStream is, final Charset charset, final int bufferSize, final Consumer<String> outputCallback) {

  /** Tests that round tripping of all two byte permutations work. */
  @GwtIncompatible // java.nio.charset.Charset
  public void testIsWellFormed_1Byte() {
    testBytes(1, EXPECTED_ONE_BYTE_ROUNDTRIPPABLE_COUNT);
  }

  /** Tests that round tripping of all two byte permutations work. */
  @GwtIncompatible // java.nio.charset.Charset
  public void testIsWellFormed_2Bytes() {
    testBytes(2, EXPECTED_TWO_BYTE_ROUNDTRIPPABLE_COUNT);

    }

    /**
     * Returns the preload size for charset detection.
     * @return The preload size for charset detection.
     */
    public int getPreloadSizeForCharset() {
        return preloadSizeForCharset;
    }

    /**
     * Sets the preload size for charset detection.
     * @param preloadSizeForCharset The preload size for charset detection to set.
     */

    }

    /**
     * Gets the pattern for extracting charset from meta tags.
     *
     * @return the meta charset pattern
     */
    public Pattern getMetaCharsetPattern() {
        return metaCharsetPattern;
    }

    /**
     * Sets the pattern for extracting charset from meta tags.
     *
     * @param metaCharsetPattern the meta charset pattern to set
     */

      .assertLogEqual("Content-Type: text/plain; charset=utf-8")
      .assertLogEqual("--> END POST")
      .assertLogMatch(Regex("""<-- 200 OK $url \(\d+ms\)"""))
      .assertLogEqual("Content-Length: 0")
      .assertLogEqual("<-- END HTTP")
      .assertNoMoreLogs()
    networkLogs
      .assertLogEqual("--> POST $url http/1.1")
      .assertLogEqual("Content-Type: text/plain; charset=utf-8")

 * The extracted text is then converted into a byte array using the specified charset encoding.
 * It also provides a method to retrieve the extracted data as a String from an AccessResultData object.
 *
 * <p>
 * The class handles character encoding issues by attempting to use the specified charset.
 * If the specified charset is invalid, it falls back to UTF-8.
 * </p>
 *
 * <p>

      return new MockResponse()
          .setStatus("HTTP/1.1 404")
          .addHeader("content-type: text/plain; charset=utf-8")
          .setBody("NOT FOUND: " + path);
    } catch (IOException e) {
      return new MockResponse()
          .setStatus("HTTP/1.1 500")
          .addHeader("content-type: text/plain; charset=utf-8")
          .setBody("SERVER ERROR: " + e);
    }
  }

  private final class AsByteSource extends ByteSource {

    final Charset charset;

    AsByteSource(Charset charset) {
      this.charset = checkNotNull(charset);
    }

    @Override
    public CharSource asCharSource(Charset charset) {
      if (charset.equals(this.charset)) {
        return CharSource.this;
      }

  private final class AsByteSource extends ByteSource {

    final Charset charset;

    AsByteSource(Charset charset) {
      this.charset = checkNotNull(charset);
    }

    @Override
    public CharSource asCharSource(Charset charset) {
      if (charset.equals(this.charset)) {
        return CharSource.this;
      }

   * charset} parameter set to the {@link Charset#name name} of the given charset. Only one {@code
   * charset} parameter will be present on the new instance regardless of the number set on this
   * one.
   *
   * <p>If a charset must be specified that is not supported on this JVM (and thus is not
   * representable as a {@link Charset} instance), use {@link #withParameter}.
   */