void (@NotNull Project project, @NotNull PsiElement startElement, @NotNull ModPsiUpdater updater) { final PsiExpression expression = (PsiExpression)startElement; CommentTracker commentTracker = new CommentTracker(); final String newExpression = calculateReplacementShift(expression, commentTracker); if (newExpression != null) { PsiReplacementUtil.replaceExpression(expression, newExpression, commentTracker); } }