}

  public void testCheckArgument_complexMessage_failure() {
    IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> checkArgument(false, FORMAT, 5));
    verifyComplexMessage(expected);
  }

  public void testCheckState_simple_success() {
    checkState(true);
  }

  public void testCheckState_simple_failure() {

  }

  public void testCheckArgument_complexMessage_failure() {
    IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> checkArgument(false, FORMAT, 5));
    verifyComplexMessage(expected);
  }

  public void testCheckState_simple_success() {
    checkState(true);
  }

  public void testCheckState_simple_failure() {

    }

    /**
     * Sets the export format.
     *
     * @param format the format name (e.g. "html", "json")
     * @return this instance for method chaining
     */
    public IndexExportJob format(final String format) {
        this.formatter = createFormatter(format);
        return this;
    }

    /**
     * Creates a formatter for the given format name.
     *
     * @param format the format name

        }
    }

    // --- format() fluent API tests ---

    @Test
    public void test_format_returnsThis() {
        final IndexExportJob result = indexExportJob.format("html");
        assertSame(indexExportJob, result);
    }

    @Test
    public void test_format_unsupportedFormat() {
        try {
            indexExportJob.format("xml");

        }

    }

    /**
     * Initializes OpenSearch monitoring probes.
     * Forces the loading of process, OS, and JVM monitoring probes
     * to ensure they are available for system monitoring during crawling.
     */
    static void initializeProbes() {
        // Force probes to be loaded
        ProcessProbe.getInstance();
        OsProbe.getInstance();
        JvmInfo.jvmInfo();
    }

        assertTrue(log.startsWith("Mem:{used "));
        assertTrue(log.contains(", heap "));
        assertTrue(log.contains(", max "));
        assertTrue(log.endsWith("}"));

        // Verify format contains expected memory units
        assertTrue(log.matches(".*used [0-9.]+[a-zA-Z]+, heap [0-9.]+[a-zA-Z]+, max [0-9.]+[a-zA-Z]+.*"));
    }

    @Test
    public void test_byteCountToDisplaySize_edgeCases() {

    String format = "super-duper-thread-%s";
    ThreadFactory factory = builder.setNameFormat(format).build();
    for (int i = 0; i < 11; i++) {
      assertThat(factory.newThread(monitoredRunnable).getName())
          .isEqualTo(rootLocaleFormat(format, i));
    }
  }

  public void testNameFormatWithPercentD_custom() {
    String format = "super-duper-thread-%d";

    }

    ReleasedVersion releasedVersion(String version, long date = System.currentTimeMillis()) {
        new ReleasedVersion(version, format.format(new Date(date)))
    }

    ReleasedVersion snapshot(String baseVersion, long date = System.currentTimeMillis()) {
        releasedVersion("${baseVersion}-${format.format(new Date(date))}", date)
    }

    val direction = if (inbound) "<<" else ">>"
    return format(
      "%s 0x%08x %5d %-13s %d",
      direction,
      streamId,
      length,
      formattedType,
      windowSizeIncrement,
    )
  }

  internal fun formattedType(type: Int): String = if (type < FRAME_NAMES.size) FRAME_NAMES[type] else format("0x%02x", type)

  /**

    String format = "super-duper-thread-%s";
    ThreadFactory factory = builder.setNameFormat(format).build();
    for (int i = 0; i < 11; i++) {
      assertThat(factory.newThread(monitoredRunnable).getName())
          .isEqualTo(rootLocaleFormat(format, i));
    }
  }

  public void testNameFormatWithPercentD_custom() {
    String format = "super-duper-thread-%d";