*
         * See [PropertiesUtils.store].
         */
        fun store(properties: Properties, file: File, comment: String? = null) {
            PropertiesUtils.store(properties, file, comment, Charsets.ISO_8859_1, "\n")
        }

        private
        fun propertiesFrom(data: Map<String, Any>): Properties = Properties().apply {
            putAll(data.map { (key, value) -> key to value.toString() })
        }
    }

        if (!artifactFile.getParentFile().exists()) {
            artifactFile.getParentFile().mkdirs();
        }
        try (Writer writer = new OutputStreamWriter(new FileOutputStream(artifactFile), StandardCharsets.ISO_8859_1)) {
            writer.write(artifact.getId());
        }

        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(artifact.getId().getBytes());
        byte[] digest = md.digest();

    assertEquals(Charset.forName("US-ASCII"), Charsets.US_ASCII);
  }

  @J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset
  public void testIso88591() {
    assertEquals(Charset.forName("ISO-8859-1"), Charsets.ISO_8859_1);
  }

  public void testUtf8() {
    assertEquals(Charset.forName("UTF-8"), Charsets.UTF_8);
  }

  @J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset
  public void testUtf16be() {

                .reversed()
        }


internal
fun Properties.store(file: java.io.File, comment: String? = null) {
    PropertiesUtils.store(this, file, comment, Charsets.ISO_8859_1, "\n")

    DataInput in = new DataInputStream(new ByteArrayInputStream(data));

    /* Read in various values NORMALLY */
    byte[] b = new byte[6];
    in.readFully(b);
    assertEquals("r\u00C9sum\u00C9".getBytes(Charsets.ISO_8859_1), b);
  }

  @SuppressWarnings("deprecation") // testing a deprecated method
  public void testWriteBytes_discardHighOrderBytes() throws IOException {

    /* Write out various test values in LITTLE ENDIAN FORMAT */

    DataInput in = new DataInputStream(new ByteArrayInputStream(data));

    /* Read in various values NORMALLY */
    byte[] b = new byte[6];
    in.readFully(b);
    assertEquals("r\u00C9sum\u00C9".getBytes(Charsets.ISO_8859_1), b);
  }

  @SuppressWarnings("deprecation") // testing a deprecated method
  public void testWriteBytes_discardHighOrderBytes() throws IOException {

    /* Write out various test values in LITTLE ENDIAN FORMAT */

        PropertiesUtils.store(
            properties, libraryVersionFile.get().asFile,
            "Generated file, please do not edit - Version values used in build-init templates",
            Charsets.ISO_8859_1, "\n"
        )
    }

    private
    fun findLatest(name: String, notation: String, dest: Properties) {
        val libDependencies = arrayOf(project.dependencies.create(notation))

        spec.caseSensitive = false
        spec.includeEmptyDirs = false
        spec.duplicatesStrategy = DuplicatesStrategy.EXCLUDE
        spec.fileMode = 1
        spec.dirMode = 2
        spec.filteringCharset = "ISO_8859_1"

        DefaultCopySpec child = unpackWrapper(spec."${method}"("child") {})

        then: //children still have these non defaults
        !child.caseSensitive
        !child.includeEmptyDirs

        assertThat(IOUtils.toString(transformedReader), equalTo("[1][2][3]"));
    }

    @Test
    public void canFilterUsingISO88591() throws IOException {
        canFilterUsingCharset("ISO_8859_1");
    }

    @Test
    public void canFilterUsingUTF8() throws IOException {
        canFilterUsingCharset("UTF8");
    }

    private void canFilterUsingCharset(String charset) throws IOException {

    buffer.skip(3) // Skip "a=b" prefix.
    return buffer.readUtf8(buffer.size - 1) // Skip the "c" suffix.
  }

  @Test
  fun manualCharset() {
    val body =
      FormBody.Builder(StandardCharsets.ISO_8859_1)
        .add("name", "Nicolás")
        .build()
    val expected = "name=Nicol%E1s"
    assertThat(body.contentLength()).isEqualTo(expected.length.toLong())
    val out = Buffer()
    body.writeTo(out)