import java.util.TreeSet
import java.util.concurrent.TimeUnit
import okhttp3.Headers
import okhttp3.HttpUrl
import okhttp3.Interceptor
import okhttp3.OkHttpClient
import okhttp3.Response
import okhttp3.internal.charsetOrUtf8
import okhttp3.internal.http.promisesBody
import okhttp3.internal.platform.Platform
import okhttp3.logging.internal.isProbablyUtf8
import okio.Buffer
import okio.GzipSource

/**

package okhttp3

import java.io.Closeable
import java.io.IOException
import java.io.InputStream
import java.io.InputStreamReader
import java.io.Reader
import java.nio.charset.Charset
import okhttp3.internal.charsetOrUtf8
import okhttp3.internal.chooseCharset
import okhttp3.internal.commonAsResponseBody
import okhttp3.internal.commonByteString
import okhttp3.internal.commonBytes
import okhttp3.internal.commonClose

      finalContentType = "$this; charset=utf-8".toMediaTypeOrNull()
    } else {
      charset = resolvedCharset
    }
  }
  return charset to finalContentType
}

internal fun MediaType?.charsetOrUtf8(): Charset {
  return this?.charset() ?: Charsets.UTF_8
}

internal val Response.connection: RealConnection
  get() = this.exchange!!.connection