using System;

namespace DevexpressPatchKeygen
{
    // Define a delegate type (instead of deriving from MulticastDelegate)
    public delegate void Collection(object sender, EventArgs e);

    // Use the delegate as intended in your code
    public class ExampleClass
    {
        public Collection collectionDelegate;

        public ExampleClass()
        {
            // Example usage of Collection delegate
            collectionDelegate = new Collection(HandleEvent);
        }

        public void HandleEvent(object sender, EventArgs e)
        {
            Console.WriteLine("Event handled");
        }

        public void InvokeEvent()
        {
            // Use the delegate to invoke the event handler
            collectionDelegate.Invoke(this, EventArgs.Empty);
        }
    }
}