public static void deleteInBackground(final File file) {
        if (file != null) {
            TimeoutManager.getInstance().addTimeoutTarget(() -> {
                try {
                    Files.deleteIfExists(file.toPath());
                } catch (final IOException e) {
                    throw new IORuntimeException(e);
                }
            }, 0, false);
        }
    }

import okhttp3.internal.publicsuffix.ResourcePublicSuffixList.Companion.PUBLIC_SUFFIX_RESOURCE
import okhttp3.internal.toCanonicalHost
import okhttp3.okHttpRoot
import okio.Buffer
import okio.FileSystem
import okio.Path.Companion.toPath
import org.junit.Before
import org.junit.Test
import org.junit.runner.RunWith

@RunWith(PublicSuffixTestRunner::class)
class PublicSuffixDatabaseTest {
  private val publicSuffixDatabase = PublicSuffixDatabase.get()

      // non-negative int, we can do long-arithmetic on index * (dataset.length - 1) / scale to get
      // a rounded ratio and a remainder which can be expressed as ints, without risk of overflow:
      int quotient = (int) LongMath.divide(numerator, scale, RoundingMode.DOWN);
      int remainder = (int) (numerator - (long) quotient * scale);
      selectInPlace(quotient, dataset, 0, dataset.length - 1);
      if (remainder == 0) {

        }
    }

    @Test
    public void testFileBasedCacheClose() throws IOException {
        tempFile = File.createTempFile("test", ".tmp", Curl.tmpDir);
        Files.write(tempFile.toPath(), "Hello, World!".getBytes());
        assertTrue(tempFile.exists());

        ContentCache cache = new ContentCache(tempFile);

        // Close should delete the file
        cache.close();

                // Copy tempFile to the actual file
                try {
                    java.nio.file.Files.copy(tempFile.toPath(), new File(file.getPath()).toPath(),
                            java.nio.file.StandardCopyOption.REPLACE_EXISTING);
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }

        } finally {
            if (!isInMemory() && !done) {
                final File file = super.getFile();
                if (file != null) {
                    try {
                        Files.deleteIfExists(file.toPath());
                    } catch (final IOException e) {
                        logger.warning(e.getLocalizedMessage());
                    }
                }
            }
        }
    }

        validateApi(body, messages -> {});
        return asStream("elevate.csv").contentTypeOctetStream().stream(out -> {
            final Path tempFile = ComponentUtil.getSystemHelper().createTempFile("fess-elevate-", ".csv").toPath();
            try {
                try (Writer writer = new BufferedWriter(new OutputStreamWriter(Files.newOutputStream(tempFile), getCsvEncoding()))) {
                    elevateWordService.exportCsv(writer);

        this.data = null;
        this.file = file;
    }

    @Override
    public void close() throws IOException {
        if (file != null) {
            Files.delete(file.toPath());
        }
    }

    /**
     * Returns an InputStream to read the content from the cache.
     * If the content is stored in a file, a FileInputStream is returned.

                            final File baseJspFile = getDesignJspFile("/WEB-INF/view/" + e.getValue());
                            try {
                                final Path jspPath = jspFile.toPath();
                                Files.copy(baseJspFile.toPath(), jspPath);
                                fileList.add(jspPath);
                            } catch (final IOException ex) {

    synchronized(cache) { cache.initialize() }
  }

  fun setUp(
    baseFilesystem: FileSystem,
    windows: Boolean,
  ) {
    this.cacheDir =
      if (baseFilesystem is FakeFileSystem) "/cache".toPath() else cacheDirFile.path.toPath()
    this.filesystem = FaultyFileSystem(baseFilesystem)
    this.windows = windows

    if (filesystem.exists(cacheDir)) {
      filesystem.deleteRecursively(cacheDir)
    }