Server::Configuration::TransportSocketFactoryContext& context) {

  absl::StatusOr<std::unique_ptr<ClientContextConfigImpl>> client_config_or_error =

      ClientContextConfigImpl::create(

          MessageUtil::downcastAndValidate<

              const envoy::extensions::transport_sockets::tls::v3::UpstreamTlsContext&>(

              message, context.messageValidationVisitor()),

          context);

  RETURN_IF_NOT_OK(client_config_or_error.status());

  return ClientSslSocketFactory::create(std::move(client_config_or_error.value()),

                                        context.serverFactoryContext().sslContextManager(),

                                        context.statsScope());

}

ProtobufTypes::MessagePtr UpstreamSslSocketFactory::createEmptyConfigProto() {

  return std::make_unique<envoy::extensions::transport_sockets::tls::v3::UpstreamTlsContext>();

}