fun isReady() = true

    /** Do this task's work, and then start another, such as by calling [startNextTask]. */
    fun start()
  }

  private object TestThreadSerialTask : SerialTask {
    override fun start() = error("unexpected call")
  }

  inner class RunnableSerialTask(
    private val runnable: Runnable,
  ) : SerialTask {
    override fun start() {

 * This interface provides methods for storing documents, tracking processing metrics,
 * and committing changes to the search index.
 */
public interface IndexUpdateCallback {

    /**
     * Stores a document in the search index with the specified parameters and data.
     *
     * @param paramMap the data store parameters containing configuration and metadata

  private void joinHelper(Integer... spans) throws Exception {
    List<ByteSource> sources = new ArrayList<>();
    int start = 0;
    for (Integer span : spans) {
      sources.add(newByteSource(start, span));
      start += span;
    }
    ByteSource joined = ByteSource.concat(sources);
    assertTrue(newByteSource(0, start).contentEquals(joined));
  }

  public void testReadSingleByte() throws Exception {

      } else if (type == char.class) {
        return (T) Character.valueOf('\0');
      } else if (type == byte.class) {
        return (T) Byte.valueOf((byte) 0);
      } else if (type == short.class) {
        return (T) Short.valueOf((short) 0);
      } else if (type == int.class) {
        return (T) Integer.valueOf(0);
      } else if (type == long.class) {
        return (T) Long.valueOf(0L);
      } else if (type == float.class) {

        PropertiesUtil.store(outProperties, outputStream, "comments");
        CloseableUtil.close(outputStream);
        final Properties properties = new Properties();
        PropertiesUtil.load(properties, file);
        assertThat(properties.getProperty("a"), is("A"));
    }

    /**
     * Test method for
     * {@link org.codelibs.core.io.PropertiesUtil#store(Properties, java.io.Writer, String)}
     * .

        }
        return null;
    }

    /**
     * Gets the sort prefix used for identifying sort parameters in search queries.
     *
     * @return the sortPrefix
     */
    public String getSortPrefix() {
        return sortPrefix;
    }

    /**
     * Sets the sort prefix used for identifying sort parameters in search queries.
     *
     * @param sortPrefix the sortPrefix to set

   *
   * @throws IndexOutOfBoundsException if {@code start} is negative or greater than the length of
   *     the array
   */
  @J2ktIncompatible
  public static ByteArrayDataInput newDataInput(byte[] bytes, int start) {
    checkPositionIndex(start, bytes.length);
    return newDataInput(new ByteArrayInputStream(bytes, start, bytes.length - start));
  }

  /**

    }

    /** Array of styles held by {@link DateFormat} */
    protected static final int[] STYLES = new int[] { SHORT, MEDIUM, LONG, FULL };

    /**
     * Returns the pattern string for {@link DateFormat#SHORT} style in the default locale.
     *
     * @return the pattern string for {@link DateFormat#SHORT} style
     */
    public static String getShortPattern() {
        return getShortPattern(LocaleUtil.getDefault());

    }

    /** Array of styles held by {@link DateFormat} */
    protected static final int[] STYLES = new int[] { SHORT, MEDIUM, LONG, FULL };

    /**
     * Returns the pattern string for {@link DateFormat#SHORT} style using the default locale.
     *
     * @return the pattern string for {@link DateFormat#SHORT} style
     */
    public static String getShortPattern() {
        return getShortPattern(LocaleUtil.getDefault());

            for (int i = 0; i < 100; i++) {
                execJob.jvmOptions("-Xms" + i + "m");
            }
            latch.countDown();
        });

        t1.start();
        t2.start();

        assertTrue(latch.await(5, TimeUnit.SECONDS));
        // The exact size may vary due to concurrent modifications, just check it's not empty
        assertTrue(execJob.jvmOptions.size() > 0);
    }