// last_modified
        final Date lastModified = responseData.getLastModified();
        if (lastModified != null) {
            putResultDataBody(dataMap, fessConfig.getIndexFieldLastModified(), lastModified);
            // timestamp
            putResultDataBody(dataMap, fessConfig.getIndexFieldTimestamp(), lastModified);
        } else {
            // timestamp

            return extFileAttributes;
        }

        @Override
        public long createTime() {
            return creationTime;
        }

        @Override
        public long lastModified() {
            return lastWriteTime;
        }

        @Override
        public long length() {
            return endOfFile;
        }

        @Override
        public String toString() {

  }

  public void testTouchTime() throws IOException {
    File temp = createTempFile();
    assertTrue(temp.exists());
    temp.setLastModified(0);
    assertEquals(0, temp.lastModified());
    Files.touch(temp);
    assertThat(temp.lastModified()).isNotEqualTo(0);
  }

  public void testCreateParentDirs_root() throws IOException {
    File file = root();
    assertNull(file.getParentFile());

        public int getAttributes() {
            return 0;
        }

        @Override
        public long createTime() {
            return 0;
        }

        @Override
        public long lastModified() {
            return 0;
        }

        @Override
        public long lastAccess() {
            return 0;
        }

        @Override
        public long length() {

        assertEquals(SmbFile.TYPE_FILESYSTEM, info.getType());
        assertEquals(SmbFile.ATTR_ARCHIVE, info.getAttributes());
        assertEquals(1672531200000L, info.createTime());
        assertEquals(1672617600000L, info.lastModified());
        assertEquals(1024, info.length());
    }

    @Test
    void testSmbFindFileBothDirectoryInfo_ToString() {

  }

  public void testTouchTime() throws IOException {
    File temp = createTempFile();
    assertTrue(temp.exists());
    temp.setLastModified(0);
    assertEquals(0, temp.lastModified());
    Files.touch(temp);
    assertThat(temp.lastModified()).isNotEqualTo(0);
  }

  public void testCreateParentDirs_root() throws IOException {
    File file = root();
    assertNull(file.getParentFile());

                map.put("size", item.size());
                map.put("directory", item.isDir());
                if (!item.isDir()) {
                    map.put("lastModified", item.lastModified());
                    fileList.add(map);
                } else {
                    list.add(map);
                }

         */
        @Override
        public long getLastModified() {
            if (minioClient == null) {
                return 0;
            }
            try {
                return getStatObject().lastModified().toEpochSecond();
            } catch (InvalidKeyException | ErrorResponseException | IllegalArgumentException | InsufficientDataException | InternalException

        if (file == null) {
            // TODO throw something instead?
            return true;
        }

        Date lastCheckDate;

        if (file.exists()) {
            lastCheckDate = new Date(file.lastModified());
        } else {
            File touchfile = getTouchfile(artifact);
            lastCheckDate = readLastUpdated(touchfile, getRepositoryKey(repository));
        }

            return;

        // Update cache with new directory listing
        for (SmbFile file : files) {
            try {
                entry.updateChild(file.getName(), file.length(), file.lastModified(), file.isDirectory(), file.getAttributes(),
                        file.createTime(), file.lastAccess());
            } catch (Exception e) {