// Code from Project 1
namespace FirstAssembly
{
    public class FirstClass
    {
        private protected static void FirstMethod()
        {
            Console.WriteLine("Private protected method called...");
        }
    }
}

// Code from Project 2
using FirstAssembly;
namespace SecondAssembly
{
    public class SecondClass : FirstClass
    {
        public static void SecondMethod()
        {
            FirstMethod();  // No access to the base class since it is private protected.
        }
    }
}