@Throws(IOException::class)
  override fun shutdownInput() {
    delegate!!.shutdownInput()
  }

  @Throws(IOException::class)
  override fun shutdownOutput() {
    delegate!!.shutdownOutput()
  }

  override fun getSupportedCipherSuites(): Array<String> {
    return delegate!!.supportedCipherSuites
  }

  override fun getEnabledCipherSuites(): Array<String> {