IEnumerable<IGroupRole> Roles(
	out int count,
	int pageSize = -1,
	int startIndex = -1
)

Function Roles ( 
	<OutAttribute> ByRef count As Integer,
	Optional pageSize As Integer = -1,
	Optional startIndex As Integer = -1
) As IEnumerable(Of IGroupRole)

IEnumerable<IGroupRole^>^ Roles(
	[OutAttribute] int% count, 
	int pageSize = -1, 
	int startIndex = -1
)

abstract Roles : 
        count : int byref * 
        ?pageSize : int * 
        ?startIndex : int 
(* Defaults:
        let _pageSize = defaultArg pageSize -1
        let _startIndex = defaultArg startIndex -1
*)
-> IEnumerable<IGroupRole>