@Nullable
  public static String getExpressionText(@Nullable ExpressionInfo expressionInfo, @NotNull Document document) {
    if (expressionInfo == null) {
      return null;
    }
    String text = expressionInfo.getExpressionText();
    return text == null ? document.getText(expressionInfo.getTextRange()) : text;
  }
@Nullable
  public static String getExpressionText(@Nullable ExpressionInfo expressionInfo, @NotNull Document document)