private static void wrapExpression(PsiExpressionStatement expressionStatement) {
      CommentTracker tracker = new CommentTracker();
      String valueKeyword = PsiKeyword.YIELD;
      tracker.replaceAndRestoreComments(expressionStatement, "{ " + valueKeyword + " " + tracker.text(expressionStatement) + "\n }");
    }
private static void wrapExpression(PsiExpressionStatement expressionStatement)