public static Task<double> StandardDeviationSampleAsync(
	this IMongoQueryable<int> source,
	CancellationToken cancellationToken = null
)

<ExtensionAttribute>
Public Shared Function StandardDeviationSampleAsync ( 
	source As IMongoQueryable(Of Integer),
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of Double)

[<ExtensionAttribute>]
static member StandardDeviationSampleAsync : 
        source : IMongoQueryable<int> * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken null
*)
-> Task<float>