designPatternGuru/DesignPatternGuru/AbstractFactory/Products/ConcreteProductA1.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AbstractFactory.Products
{
	internal class ConcreteProductA1 : IAbstractProductA
	{
		public string UsefulFunctionA()
		{
			return "The result of the product A1.";
		}
	}
}