requestBody = "".toRequestBody(null)
    requestBody = "".toRequestBody("".toMediaTypeOrNull())
    requestBody = ByteString.EMPTY.toRequestBody(null)
    requestBody = ByteString.EMPTY.toRequestBody("".toMediaTypeOrNull())
    requestBody = byteArrayOf(0, 1).toRequestBody(null, 0, 2)
    requestBody = byteArrayOf(0, 1).toRequestBody("".toMediaTypeOrNull(), 0, 2)
    requestBody = byteArrayOf(0, 1).toRequestBody(null, 0, 2)

import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.MediaType.Companion.toMediaTypeOrNull
import okhttp3.TestUtil.repeat
import okhttp3.testing.Flaky
import okio.BufferedSink
import org.junit.jupiter.api.Tag
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.Timeout

import java.nio.charset.StandardCharsets
import kotlin.test.assertFailsWith
import okhttp3.Headers.Companion.headersOf
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.MediaType.Companion.toMediaTypeOrNull
import okhttp3.RequestBody.Companion.toRequestBody
import okio.Buffer
import okio.BufferedSink
import okio.utf8Size
import org.junit.jupiter.api.Test

class MultipartBodyTest {
  @Test

import java.io.EOFException
import java.net.ProtocolException
import kotlin.test.assertFailsWith
import okhttp3.Headers.Companion.headersOf
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.MediaType.Companion.toMediaTypeOrNull
import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.ResponseBody.Companion.toResponseBody
import okio.Buffer
import okio.BufferedSink
import org.junit.jupiter.api.Tag
import org.junit.jupiter.api.Test

| HttpUrl.url()                       | HttpUrl.toUrl()                 |
| MediaType.get(String)               | String.toMediaType()            |
| MediaType.parse(String)             | String.toMediaTypeOrNull()      |
| RequestBody.create(ByteArray)       | ByteArray.toRequestBody()       |
| RequestBody.create(ByteString)      | ByteString.toRequestBody()      |

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 okhttp3.internal.concurrent.TaskRunner