System.Net.Mail.SmtpTransport.SmtpTransport C# (CSharp) Method

        internal SmtpTransport(SmtpClient client, ISmtpAuthenticationModule[] authenticationModules)
        {
            _client = client;

            if (authenticationModules == null)
            {
                throw new ArgumentNullException(nameof(authenticationModules));
            }

            _authenticationModules = authenticationModules;
        }