T this[
	int index1,
	int index2
] { get; set; }

Default Property Item ( 
	index1 As Integer,
	index2 As Integer
) As T
	Get
	Set

property T default[int index1, int index2] {
	T get (int index1, int index2);
	void set (int index1, int index2, T value);
}

abstract Item : 'T with get, set