IAggregateFluent<TNewResult> Bucket<TValue, TNewResult>(
	AggregateExpressionDefinition<TResult, TValue> groupBy,
	IEnumerable<TValue> boundaries,
	ProjectionDefinition<TResult, TNewResult> output,
	AggregateBucketOptions<TValue> options = null
)

Function Bucket(Of TValue, TNewResult) ( 
	groupBy As AggregateExpressionDefinition(Of TResult, TValue),
	boundaries As IEnumerable(Of TValue),
	output As ProjectionDefinition(Of TResult, TNewResult),
	Optional options As AggregateBucketOptions(Of TValue) = Nothing
) As IAggregateFluent(Of TNewResult)

abstract Bucket : 
        groupBy : AggregateExpressionDefinition<'TResult, 'TValue> * 
        boundaries : IEnumerable<'TValue> * 
        output : ProjectionDefinition<'TResult, 'TNewResult> * 
        ?options : AggregateBucketOptions<'TValue> 
(* Defaults:
        let _options = defaultArg options null
*)
-> IAggregateFluent<'TNewResult>