@NotNull
    private static String getRepeatQualifier(PsiExpression arg, CommentTracker ct) {
      if (arg instanceof PsiLiteralExpression literal && !TypeUtils.isJavaLangString(arg.getType())) {
        Object value = literal.getValue();
        if (value instanceof Character) {
          return PsiLiteralUtil.stringForCharLiteral(literal.getText());
        }
        return StringUtil.wrapWithDoubleQuote(StringUtil.escapeStringCharacters(String.valueOf(value)));
      }
      if (TypeUtils.isJavaLangString(arg.getType()) && NullabilityUtil.getExpressionNullability(arg, true) == Nullability.NOT_NULL) {
        return ct.text(arg, ParenthesesUtils.METHOD_CALL_PRECEDENCE);
      }
      return CommonClassNames.JAVA_LANG_STRING + ".valueOf(" + ct.text(arg) + ")";
    }
@NotNull
    private static String getRepeatQualifier(PsiExpression arg, CommentTracker ct)