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 okhttp3.CipherSuite
import okhttp3.ConnectionPool
import okhttp3.ConnectionSpec
import okhttp3.Cookie
import okhttp3.Headers
import okhttp3.HttpUrl
import okhttp3.MediaType
import okhttp3.MediaType.Companion.toMediaTypeOrNull
import okhttp3.OkHttpClient
import okhttp3.Request
import okhttp3.Response
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.connection.ConnectionListener

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

      replaceWith =
        ReplaceWith(
          expression = "mediaType.toMediaTypeOrNull()",
          imports = ["okhttp3.MediaType.Companion.toMediaTypeOrNull"],
        ),
      level = DeprecationLevel.ERROR,
    )
    fun parse(mediaType: String): MediaType? = mediaType.toMediaTypeOrNull()
  }

import mockwebserver3.junit5.StartStop
import okhttp3.Cache.Companion.key
import okhttp3.Headers.Companion.headersOf
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.MediaType.Companion.toMediaTypeOrNull
import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.internal.addHeaderLenient
import okhttp3.internal.cacheGet
import okhttp3.internal.platform.Platform.Companion.get