public static PipelineDefinition<TInput, BsonDocument> Unwind<TInput, TIntermediate>(
	this PipelineDefinition<TInput, TIntermediate> pipeline,
	Expression<Func<TIntermediate, Object>> field,
	AggregateUnwindOptions<BsonDocument> options = null
)

<ExtensionAttribute>
Public Shared Function Unwind(Of TInput, TIntermediate) ( 
	pipeline As PipelineDefinition(Of TInput, TIntermediate),
	field As Expression(Of Func(Of TIntermediate, Object)),
	Optional options As AggregateUnwindOptions(Of BsonDocument) = Nothing
) As PipelineDefinition(Of TInput, BsonDocument)

[<ExtensionAttribute>]
static member Unwind : 
        pipeline : PipelineDefinition<'TInput, 'TIntermediate> * 
        field : Expression<Func<'TIntermediate, Object>> * 
        ?options : AggregateUnwindOptions<BsonDocument> 
(* Defaults:
        let _options = defaultArg options null
*)
-> PipelineDefinition<'TInput, BsonDocument>