IEventRegistration AddBatchListener<T>(
	IQuery<T> query,
	EventHandler<SpaceBatchDataEventArgs<T>> listener,
	long leaseTime
)

Function AddBatchListener(Of T) ( _
	query As IQuery(Of T), _
	listener As EventHandler(Of SpaceBatchDataEventArgs(Of T)), _
	leaseTime As Long _
) As IEventRegistration

generic<typename T>
IEventRegistration^ AddBatchListener(
	IQuery<T>^ query, 
	EventHandler<SpaceBatchDataEventArgs<T>^>^ listener, 
	long long leaseTime
)

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