code: synchronized public Set getClassesForPackage( String pack ) {
          insureInitialized();
          Set set = new HashSet();
          Collection c = (Collection)packageMap.get( pack );
          if ( c != null )
              set.addAll( c );
  
          if ( compPaths != null )
              for (int i=0; i<compPaths.size(); i++) {
                  c = ((BshClassPath)compPaths.get(i)).getClassesForPackage(
                      pack );
                  if ( c != null )
                      set.addAll( c );
              }
          return set;
      }
docs: Return the set of class names in the specified package
  including all component paths.