in aws-crt-http/HttpConnection.cs [326:336]
internal void Validate()
{
if (ClientBootstrap == null)
throw new ArgumentNullException("ClientBootstrap");
if (ConnectionShutdown == null)
throw new ArgumentNullException("ConnectionShutdown");
if (HostName == null)
throw new ArgumentNullException("HostName");
if (Port == 0)
throw new ArgumentOutOfRangeException("Port", Port, "Port must be between 1 and 65535");
}