public virtual IEnumerable<BsonDocument> Group(
	IMongoQuery query,
	IMongoGroupBy keys,
	BsonDocument initial,
	BsonJavaScript reduce,
	BsonJavaScript finalize
)

Public Overridable Function Group ( 
	query As IMongoQuery,
	keys As IMongoGroupBy,
	initial As BsonDocument,
	reduce As BsonJavaScript,
	finalize As BsonJavaScript
) As IEnumerable(Of BsonDocument)

abstract Group : 
        query : IMongoQuery * 
        keys : IMongoGroupBy * 
        initial : BsonDocument * 
        reduce : BsonJavaScript * 
        finalize : BsonJavaScript -> IEnumerable<BsonDocument> 
override Group : 
        query : IMongoQuery * 
        keys : IMongoGroupBy * 
        initial : BsonDocument * 
        reduce : BsonJavaScript * 
        finalize : BsonJavaScript -> IEnumerable<BsonDocument>