interface D { } interface E { }

class C<T1, T2, TX, T3, T4, T5>
	: IDisposable, IEnumerable<T1>
	where T1 : class, D, E, new()
	where T2 : IDictionary<D, Dictionary<string, float>>
	where TX : struct, IDisposable
	where T3 : class
	where T4 : D where T5 : E
{
	void F<T3, T4, T5, TX, T6>()  where T3 : D, new()
	    where T4 : D
	    where T5 : D
	    where TX : new()
	    where T6 : D
	{
	}

	class C2<T1, T2, TX, T3, T4, T5>
		: IDisposable, IEnumerable<T1>
		where T1 : class, D, E, new()
		where T2 : IDictionary<D, Dictionary<string, float>>
		where TX : struct, IDisposable
		where T3 : class
		where T4 : D where T5 : E
	{
		void F2<T3, T4, T5, TX, T6>()
		    where T3 : D, new()
		    where T4 : D
		    where T5 : D
		    where TX : new()
		    where T6 : D
		{
		}
	}
}