static void Main()
{
var biDictionary = new BiDictionary <int, string, string>();
biDictionary.Add(5, "Blagoevgrad", "Petkan");
biDictionary.Add(5, "Sofia", "Ivan");
biDictionary.Add(5, "Sofia", "Stamat");
biDictionary.Add(55, "Varna", "Shisho bakshisho");
biDictionary.Add(5, "Pleven", "Maria");
biDictionary.Add(15, "Sofia", "Minka Svirkata");
Console.WriteLine(@"biDictionary.Add(5, ""Blagoevgrad"", ""Petkan"");
biDictionary.Add(5, ""Sofia"", ""Ivan"");
biDictionary.Add(5, ""Sofia"", ""Stamat"");
biDictionary.Add(55, ""Varna"", ""Shisho bakshisho"");
biDictionary.Add(5, ""Pleven"", ""Maria"");
biDictionary.Add(15, ""Sofia"", ""Minka Svirkata"");
");
var five = biDictionary.FindAllByFirstKey(5);
PrintEnumerable(five, "biDictionary.FindAllByFirstKey(5)");
var sofia = biDictionary.FindAllBySecondKey("Sofia");
PrintEnumerable(sofia, "biDictionary.FindAllBySecondKey(\"Sofia\");");
var fiveSofia = biDictionary.FindAll(5, "Sofia");
PrintEnumerable(fiveSofia, "biDictionary.FindAll(5, \"Sofia\")");
}