public static final fun create (Lokhttp3/MediaType;Lokio/ByteString;)Lokhttp3/RequestBody;
	public static final fun create (Lokhttp3/MediaType;[B)Lokhttp3/RequestBody;
	public static final fun create (Lokhttp3/MediaType;[BI)Lokhttp3/RequestBody;
	public static final fun create (Lokhttp3/MediaType;[BII)Lokhttp3/RequestBody;

        MediaType.parse("text/plain; a=1; a=2").withParameter("a", "3"));
    assertEquals(
        MediaType.parse("text/plain; a=1; a=2; b=3"),
        MediaType.parse("text/plain; a=1; a=2").withParameter("b", "3"));
  }

  public void testWithParameter_invalidAttribute() {
    MediaType mediaType = MediaType.parse("text/plain");

        "]}",
    )
  }

  @Test
  fun gzip() {
    val mediaType = "text/plain; charset=utf-8".toMediaType()
    val originalBody = "This is the original message".toRequestBody(mediaType)
    assertThat(originalBody.contentLength()).isEqualTo(28L)
    assertThat(originalBody.contentType()).isEqualTo(mediaType)

    val request =
      Request
        .Builder()
        .url("https://square.com/")

	public static final fun create (Lokhttp3/MediaType;Lokio/ByteString;)Lokhttp3/RequestBody;
	public static final fun create (Lokhttp3/MediaType;[B)Lokhttp3/RequestBody;
	public static final fun create (Lokhttp3/MediaType;[BI)Lokhttp3/RequestBody;
	public static final fun create (Lokhttp3/MediaType;[BII)Lokhttp3/RequestBody;

import java.io.File;
import java.io.IOException;

public final class UploadProgress {
  private static final String IMGUR_CLIENT_ID = "9199fdef135c122";
  private static final MediaType MEDIA_TYPE_PNG = MediaType.get("image/png");

  private final OkHttpClient client = new OkHttpClient();

  public void run() throws Exception {
    // Use the imgur image upload API as documented at https://api.imgur.com/endpoints/image

=== ":material-language-java: Java"
    ```java
      public static final MediaType MEDIA_TYPE_MARKDOWN
          = MediaType.parse("text/x-markdown; charset=utf-8");

      private final OkHttpClient client = new OkHttpClient();

      public void run() throws Exception {
        RequestBody requestBody = new RequestBody() {
          @Override public MediaType contentType() {
            return MEDIA_TYPE_MARKDOWN;
          }

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.recipes.kt

import java.io.File
import java.io.IOException
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.OkHttpClient
import okhttp3.Request
import okhttp3.RequestBody
import okhttp3.RequestBody.Companion.asRequestBody
import okio.Buffer
import okio.BufferedSink

import assertk.assertions.isEmpty
import assertk.assertions.isEqualTo
import java.io.IOException
import kotlin.test.assertFailsWith
import okhttp3.CompressionInterceptor
import okhttp3.Gzip
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.Protocol
import okhttp3.Request
import okhttp3.Response
import okhttp3.ResponseBody.Companion.toResponseBody
import okio.ByteString
import okio.ByteString.Companion.EMPTY

import java.security.cert.CertificateException
import java.security.cert.CertificateFactory
import java.util.TreeSet
import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
import okhttp3.MediaType.Companion.toMediaTypeOrNull
import okhttp3.internal.cache.CacheRequest
import okhttp3.internal.cache.CacheStrategy
import okhttp3.internal.cache.DiskLruCache
import okhttp3.internal.closeQuietly

import java.net.UnknownHostException
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.HttpUrl
import okhttp3.Interceptor
import okhttp3.MediaType
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.OkHttpClient
import okhttp3.Protocol
import okhttp3.RecordingHostnameVerifier
import okhttp3.Request
import okhttp3.RequestBody