ISpaceCopyResult SpaceCopy<T>(
	IReadOnlySpaceProxy sourceProxy,
	T template,
	int batchSize
)

Function SpaceCopy(Of T) ( _
	sourceProxy As IReadOnlySpaceProxy, _
	template As T, _
	batchSize As Integer _
) As ISpaceCopyResult

generic<typename T>
ISpaceCopyResult^ SpaceCopy(
	IReadOnlySpaceProxy^ sourceProxy, 
	T template, 
	int batchSize
)

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