question: public Collection < String > listSnapshots ( String volumeName ) { if ( log . isDebugEnabled ( ) ) { log . debug ( "Listing snapshots on volume with params[volName]: " + volumeName ) ; } Volume vol = new Volume ( server . getNaServer ( ) , volumeName ) ; Collection < String > attrs = new ArrayList < String > ( ) ; attrs . add ( "name" ) ; return vol . listSnapshots ( attrs ) ; }
target:  List of snapshots for a volume