MediaType mediaType = addKnownType(new MediaType(type, subtype, UTF_8_CONSTANT_PARAMETERS));
    mediaType.parsedCharset = Optional.of(UTF_8);
    return mediaType;
  }

  private static MediaType addKnownType(MediaType mediaType) {
    KNOWN_TYPES.put(mediaType, mediaType);
    return mediaType;
  }

  /*
   * The following constants are grouped by their type and ordered alphabetically by the constant

// attribute to the attribute value with its case preserved.
func ParseMediaType(v string) (mediatype string, params map[string]string, err error) {
	base, _, _ := strings.Cut(v, ";")
	mediatype = strings.TrimSpace(strings.ToLower(base))

	err = checkMediaTypeDisposition(mediatype)
	if err != nil {
		return "", nil, err
	}

	params = make(map[string]string)

    MediaType mediaType = addKnownType(new MediaType(type, subtype, UTF_8_CONSTANT_PARAMETERS));
    mediaType.parsedCharset = Optional.of(UTF_8);
    return mediaType;
  }

  private static MediaType addKnownType(MediaType mediaType) {
    KNOWN_TYPES.put(mediaType, mediaType);
    return mediaType;
  }

  /*
   * The following constants are grouped by their type and ordered alphabetically by the constant

      replaceWith =
        ReplaceWith(
          expression = "mediaType.toMediaType()",
          imports = ["okhttp3.MediaType.Companion.toMediaType"],
        ),
      level = DeprecationLevel.ERROR,
    )
    fun get(mediaType: String): MediaType = mediaType.toMediaType()

    @JvmName("-deprecated_parse")
    @Deprecated(
      message = "moved to extension function",
      replaceWith =

    assertEquals("2", mediaType.parameter("b"))
    assertEquals("3", mediaType.parameter("c"))
    assertEquals("utf-8", mediaType.parameter("CHARSET"))
    assertEquals("1", mediaType.parameter("A"))
    assertEquals("2", mediaType.parameter("B"))
    assertEquals("3", mediaType.parameter("C"))
  }

  @Test fun testCharsetAndQuoting() {

    MediaType mediaType = MediaType.parse("text/plain");
    try {
      mediaType.withParameter("…", "a");
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  public void testWithParameter_nonAsciiParameterValue() {
    MediaType mediaType = MediaType.parse("text/plain");
    try {
      mediaType.withParameter("a", "…");
      fail();

    MediaType mediaType = MediaType.parse("text/plain");
    try {
      mediaType.withParameter("…", "a");
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  public void testWithParameter_nonAsciiParameterValue() {
    MediaType mediaType = MediaType.parse("text/plain");
    try {
      mediaType.withParameter("a", "…");
      fail();

package okhttp3.internal

import okhttp3.MediaType

internal fun MediaType.commonParameter(name: String): String? {
  for (i in parameterNamesAndValues.indices step 2) {
    if (parameterNamesAndValues[i].equals(name, ignoreCase = true)) {
      return parameterNamesAndValues[i + 1]
    }
  }
  return null
}

internal fun MediaType.commonEquals(other: Any?): Boolean = other is MediaType && other.mediaType == mediaType

    withLocale(Locale("en", "US")) {
      val mediaType = parse("IMAGE/JPEG")
      assertEquals("image", mediaType.type)
      assertEquals("jpeg", mediaType.subtype)
    }
  }

  @Test fun testTurkishDotlessIWithTrTr() {
    withLocale(Locale("tr", "TR")) {
      val mediaType = parse("IMAGE/JPEG")
      assertEquals("image", mediaType.type)
      assertEquals("jpeg", mediaType.subtype)
    }
  }

    private SearchEngineUtil() {
    }

    public static OutputStream getXContentBuilderOutputStream(final XContentBuilderCallback func, final MediaType mediaType) {
        try (final XContentBuilder builder = func.apply(mediaType.contentBuilder(), ToXContent.EMPTY_PARAMS)) {
            builder.flush();
            return builder.getOutputStream();
        } catch (final IOException e) {