T Execute<T>(
	ISpaceTask<T> task,
	Object routing,
	ITransaction tx,
	int timeout
)

Function Execute(Of T) ( _
	task As ISpaceTask(Of T), _
	routing As Object, _
	tx As ITransaction, _
	timeout As Integer _
) As T

generic<typename T>
T Execute(
	ISpaceTask<T>^ task, 
	Object^ routing, 
	ITransaction^ tx, 
	int timeout
)

J# supports the use of generic APIs, but not the declaration of new ones.