public static PipelineStageDefinition<TInput, TOutput> Bucket<TInput, TValue, TOutput>(
	AggregateExpressionDefinition<TInput, TValue> groupBy,
	IEnumerable<TValue> boundaries,
	ProjectionDefinition<TInput, TOutput> output,
	AggregateBucketOptions<TValue> options = null
)

Public Shared Function Bucket(Of TInput, TValue, TOutput) ( 
	groupBy As AggregateExpressionDefinition(Of TInput, TValue),
	boundaries As IEnumerable(Of TValue),
	output As ProjectionDefinition(Of TInput, TOutput),
	Optional options As AggregateBucketOptions(Of TValue) = Nothing
) As PipelineStageDefinition(Of TInput, TOutput)

static member Bucket : 
        groupBy : AggregateExpressionDefinition<'TInput, 'TValue> * 
        boundaries : IEnumerable<'TValue> * 
        output : ProjectionDefinition<'TInput, 'TOutput> * 
        ?options : AggregateBucketOptions<'TValue> 
(* Defaults:
        let _options = defaultArg options null
*)
-> PipelineStageDefinition<'TInput, 'TOutput>