return Collections.EMPTY_LIST;
int newLevel = level - 1;    if ( newLevel == IModuleNameSpace.NATIVE_LEVEL ) return Collections.unmodifiableList( libraries );  List allLibraries = new ArrayList( libraries ); Iterator iter = new ArrayList( allLibraries ).iterator( ); while ( iter.hasNext( ) ) { Library library = (Library) iter.next( ); allLibraries.addAll( library.getLibraries( newLevel ) ); }  return allLibraries;
	public List getLibraries( )	{		if ( libraries != null )			return new ArrayList( libraries );		return Collections.EMPTY_LIST;	}