question: public Set < String > subEntries ( SSOToken token , String objName , String filter , int numOfEntries , boolean sortResults , boolean ascendingOrder ) throws SMSException , SSOException { if ( ( objName == null ) || ( objName . length ( ) == 0 ) || ( filter == null ) || ( filter . length ( ) == 0 ) || ( numOfEntries < 0 ) ) { throw new IllegalArgumentException ( "SMSFlatFileObject.subEntries(): " + "One or more arguments is null or empty: " + "objName [" + objName == null ? "null" : objName + "] filter ]" + filter == null ? "null" : filter + "]" ) ; } Set < String > subentries = null ; try { subentries = getSubEntries ( objName , filter , null , numOfEntries , sortResults , ascendingOrder ) ; } catch ( ServiceNotFoundException e ) { subentries = new CaseInsensitiveHashSet ( ) ; } if ( mDebug . messageEnabled ( ) ) { mDebug . message ( "SMSFlatFileObject: " + "SubEntries search " + filter + " for " + objName + " returned " + subentries . size ( ) + " items" ) ; } return subentries ; }
target:  Returns a Set of sub-entry names that match the given filter. 