public boolean hasBorders(AsciiBox box) {
        if (StringUtils.isBlank(box.toString())) {
            return false;
        }
        // Check if the first char is the upper left corner
        return boxSet.upperLeftCorner.equals(box.toString().substring(0, 1));
    }
Return true if this box has borders.

@param box the box to be checked
@return true if it has borders
plc4j/spi/src/main/java/org/apache/plc4x/java/spi/utils/ascii/AsciiBoxWriter.java