How to retrieve right type for system and custom rights

Hi,

I am in the process of retrieving the assigned rights for a folder.

I am able to instantiate the IEffectiveRight object for each defined rights for the folder.  I am able to get the right description successfully using getDescription(Locale.US).

When I apply the getRightPluginKind().  I am getting FullClient for first three rights and blank for next three.  Since its a system / custom right I am not getting it.  How to distinguish it between system and custom right.  Is there a way to retrieve the collection and content value as we see in the screen print.  Kindly clarify.

Regards,

Subramanian S.