public static MapReduceOutputOptions Reduce(
	string collectionName,
	string databaseName = null,
	Nullable<bool> sharded = null,
	Nullable<bool> nonAtomic = null
)

Public Shared Function Reduce ( 
	collectionName As String,
	Optional databaseName As String = Nothing,
	Optional sharded As Nullable(Of Boolean) = Nothing,
	Optional nonAtomic As Nullable(Of Boolean) = Nothing
) As MapReduceOutputOptions

static member Reduce : 
        collectionName : string * 
        ?databaseName : string * 
        ?sharded : Nullable<bool> * 
        ?nonAtomic : Nullable<bool> 
(* Defaults:
        let _databaseName = defaultArg databaseName null
        let _sharded = defaultArg sharded null
        let _nonAtomic = defaultArg nonAtomic null
*)
-> MapReduceOutputOptions