pm.subTask(RefactoringCoreMessages.getString("RenameTypeRefactoring.searching"));
	private SearchResultGroup[] getReferences(IProgressMonitor pm) throws JavaModelException{		pm.subTask(RefactoringCoreMessages.getString("RenameTypeRefactoring.searching"));	 //$NON-NLS-1$		return RefactoringSearchEngine.search(pm, createRefactoringScope(), createSearchPattern());	}