public boolean isEmpty() {
        if (asciiBoxWriter.hasBorders(this)) {
            return StringUtils.isBlank(asciiBoxWriter.unwrap(this).toString());
        }
        return StringUtils.isBlank(this.toString());
    }
@return returns the lines of the box
plc4j/spi/src/main/java/org/apache/plc4x/java/spi/utils/ascii/AsciiBox.java