using System;
using System.Collections.Generic;

public class Test
{
	
	static List<T> F<T>(IDictionary<int, IEnumerable<T>> dictionary)
	{
		// ...
    	return new List<T>();
    	// ...
	}
	
	public static void Main()
	{
		var mydict = new Dictionary<int, LinkedList<int>>();
		F(mydict);
	}
}