Symptoms
SMO to get SP 2010 document libraries
Diagnoses
_1 Is there an out of the box smartobject which will get list of all document libraries on a specific Sharepoint site.
_2 Is there a smartobject that would return folders inside a document library?
Resolution
_1 Use SharePoint Management service broker > List smartobject (Get Lists method) and filter it on the URL.
_2 Use SharePoint Content service broker > use the Get folders method of a document library.