return new Object[0];
		public Object[] getElements(Object parent) {			try {				if (parent instanceof IPackageFragment) {					IPackageFragment pack= (IPackageFragment) parent;					if (pack.exists()) { 						ICompilationUnit[] cuArray= pack.getCompilationUnits();						ArrayList typesArrayList= new ArrayList();						for (int i= 0; i < cuArray.length; i++) {							ICompilationUnit cu= cuArray[i];							IType[] types= cu.getTypes();							for (int j= 0; j < types.length; j++) {								if (TestSearchEngine.isTestImplementor(types[j]))										typesArrayList.add(types[j]);							}						}						return typesArrayList.toArray();					}				}			} catch (JavaModelException e) {				JUnitPlugin.log(e);			}			return new Object[0];		}