public LookupListTable lookupList(){
  if (lookupListTable.get() == null) {
    lookupListTable.compareAndSet(null,gsub.createLookupList());
  }
  return lookupListTable.get();
}

public LookupListTable lookupList ( ) { if ( lookupListTable . get ( ) == null ) { lookupListTable . compareAndSet ( null , gsub . createLookupList ( ) ) ; } return lookupListTable . get ( ) ; }
return information about the lookup tables in this gsub table .
