public static void Main()
{
var messageMediator = new Mediator();
var participant1 = new PublicParticipant();
var participant2 = new PublicParticipant();
var participant3 = new PrivateParticipant();
var participant4 = new PrivateParticipant();
messageMediator.AddParticipant(participant1);
messageMediator.AddParticipant(participant2);
messageMediator.AddParticipant(participant3);
messageMediator.AddParticipant(participant4);
participant1.BroadcastMessage("Hi All!");
participant2.BroadcastMessage("All you need is love!");
participant3.BroadcastMessage("Can't buy me love...");
participant4.BroadcastMessage("My sweet love.");
}
