public string SayHello()

in 09-Tools/Common/3.4-Code_format.cs [18:24]

• 6 lines of code
• 3 McCabe index (conditional complexity)

        public string SayHello(string name, string message)
        {
            if (name == null)    throw new ArgumentNullException(nameof(name));
            if (message == null) throw new ArgumentNullException(nameof(message));

            return $"{message}, {name}!";
        }