private void addReferenceUpdates(TextChange change) throws CoreException {
private void addReferenceUpdates(TextChangeManager manager) throws CoreException {
	private void addReferenceUpdates(TextChange change) throws CoreException {		SearchResultGroup[] grouped= getOccurrences();		if (grouped.length == 0)			return;		SearchResult[] results= grouped[0].getSearchResults();		for (int i= 0; i < results.length; i++){			String editName= RefactoringCoreMessages.getString("RenamePrivateMethodRefactoring.update"); //$NON-NLS-1$			change.addTextEdit(editName , createTextChange(results[i]));		}	}