private Strings() {
    }

    /**
     * Encodes a string into bytes using the specified encoding.
     *
     * @param str the string to encode
     * @param encoding the character encoding to use
     * @return encoded byte array, or empty array if str is null
     */
    public static byte[] getBytes(final String str, final Charset encoding) {
        if (str == null) {
            return new byte[0];
        }

        assertArgumentNotNull("props", props);
        assertArgumentNotNull("file", file);
        assertArgumentNotEmpty("encoding", encoding);

        final Reader reader = ReaderUtil.create(file, encoding);

        try {
            props.load(reader);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        } finally {
            CloseableUtil.close(reader);

pkg encoding/asn1, const TagBitString ideal-int
pkg encoding/asn1, const TagBoolean = 1
pkg encoding/asn1, const TagBoolean ideal-int
pkg encoding/asn1, const TagEnum = 10
pkg encoding/asn1, const TagEnum ideal-int
pkg encoding/asn1, const TagGeneralString = 27
pkg encoding/asn1, const TagGeneralString ideal-int
pkg encoding/asn1, const TagGeneralizedTime = 24
pkg encoding/asn1, const TagGeneralizedTime ideal-int

     *
     * @param is
     *            the input stream (must not be {@literal null})
     * @param encoding
     *            the encoding of the input stream (must not be {@literal null} or empty)
     * @return a {@link Reader} to read from the file
     */
    public static InputStreamReader create(final InputStream is, final String encoding) {
        assertArgumentNotNull("is", is);

     */
    public void setFlag(final int flag) {
        this.flag = flag;
    }

    /**
     * Sets the encoding for URL decoding.
     *
     * @param encoding the encoding to set
     */
    public void setEncoding(final String encoding) {
        this.encoding = encoding;
    }

        assertFileExistence(dir, filename, true);

        File file = new File(dir, filename);

        String contents = FileUtils.fileRead(file, encoding);

        assertEquals(contentsTest, contents);
    }

    public File createFile(File dir, String filename, String contents, String encoding) throws IOException {

     */
    public void setFlag(final int flag) {
        this.flag = flag;
    }

    /**
     * Sets the encoding for URL decoding.
     *
     * @param encoding the encoding to set
     */
    public void setEncoding(final String encoding) {
        this.encoding = encoding;
    }

    /**
     * Reads text from a file with the specified encoding.
     *
     * @param path
     *            The file path. Must not be {@literal null} or empty.
     * @param encoding
     *            The encoding. Must not be {@literal null} or empty.
     * @return The text read from the file.
     */
    public static String readText(final String path, final String encoding) {
        assertArgumentNotEmpty("path", path);

    }

    /**
     * Gets the encoding used for the response content.
     *
     * @return the encoding.
     */
    public String getEncoding() {
        return encoding;
    }

    /**
     * Sets the encoding for the response content.
     *
     * @param encoding the encoding to set.
     */
    public void setEncoding(final String encoding) {
        this.encoding = encoding;
    }

    val s = "hello zstd world".encodeUtf8().zstdCompress()

    val response =
      response("https://example.com/", s) {
        header("Content-Encoding", "zstd")
      }

    val decompressed = zstdInterceptor.decompress(response)
    assertThat(decompressed.header("Content-Encoding")).isNull()

    val responseString = decompressed.body.string()
    assertThat(responseString).isEqualTo("hello zstd world")
  }

  @Test