public static PipelineStageDefinition<TInput, AggregateBucketAutoResult<TValue>> BucketAuto<TInput, TValue>(
	AggregateExpressionDefinition<TInput, TValue> groupBy,
	int buckets,
	AggregateBucketAutoOptions options = null
)

Public Shared Function BucketAuto(Of TInput, TValue) ( 
	groupBy As AggregateExpressionDefinition(Of TInput, TValue),
	buckets As Integer,
	Optional options As AggregateBucketAutoOptions = Nothing
) As PipelineStageDefinition(Of TInput, AggregateBucketAutoResult(Of TValue))

static member BucketAuto : 
        groupBy : AggregateExpressionDefinition<'TInput, 'TValue> * 
        buckets : int * 
        ?options : AggregateBucketAutoOptions 
(* Defaults:
        let _options = defaultArg options null
*)
-> PipelineStageDefinition<'TInput, AggregateBucketAutoResult<'TValue>>