}
  }

  @SuppressSignatureCheck
  companion object {
    fun buildIfSupported(): SocketAdapter? = if (isSupported()) Android10SocketAdapter() else null

    fun isSupported() = isAndroid && Build.VERSION.SDK_INT >= 29
  }

      try {
        // Enable session tickets.
        setUseSessionTickets.invoke(sslSocket, true)

        // Assume platform support on 24+
        if (hostname != null && Build.VERSION.SDK_INT <= 23) {
          // This is SSLParameters.setServerNames() in API 24+.
          setHostname.invoke(sslSocket, hostname)
        }

        // Enable ALPN.
        setAlpnProtocols.invoke(
          sslSocket,

      assumeNotGraalVMImage()
      assumeTrue(PlatformVersion.majorVersion == majorVersion)
    }

    fun androidSdkVersion(): Int? =
      if (Platform.isAndroid) {
        Build.VERSION.SDK_INT
      } else {
        null
      }

    fun localhostHandshakeCertificates(): HandshakeCertificates =
      when {
        isBouncyCastle() -> localhostHandshakeCertificatesWithRsa2048