[ObsoleteAttribute("")]
public Task ReduceDataAsync(
	AsyncHandle asyncHandle,
	bool confirm = false,
	IEnumerable<string> dropFieldNames = null
)

<ObsoleteAttribute("")>
Public Function ReduceDataAsync ( 
	asyncHandle As AsyncHandle,
	Optional confirm As Boolean = false,
	Optional dropFieldNames As IEnumerable(Of String) = Nothing
) As Task