*/
package okhttp3

import java.io.File
import java.io.FileDescriptor
import java.io.FileInputStream
import java.io.IOException
import okhttp3.internal.checkOffsetAndCount
import okhttp3.internal.chooseCharset
import okio.BufferedSink
import okio.ByteString
import okio.FileSystem
import okio.Path
import okio.source

abstract class RequestBody {
  /** Returns the Content-Type header for this body. */

    cipherSuitesAsString.intersect(socketEnabledCipherSuites, CipherSuite.ORDER_BY_NAME)
  } else {
    socketEnabledCipherSuites
  }

internal fun MediaType?.chooseCharset(): Pair<Charset, MediaType?> {
  var charset: Charset = Charsets.UTF_8
  var finalContentType: MediaType? = this
  if (this != null) {
    val resolvedCharset = this.charset()
    if (resolvedCharset == null) {