docs: public static Number checkBetween(Number value, Number min, Number max) {
  		notNull(value);
  		notNull(min);
  		notNull(max);
  		double valueDouble = value.doubleValue();
  		double minDouble = min.doubleValue();
  		double maxDouble = max.doubleValue();
  		if (valueDouble < minDouble || valueDouble > maxDouble) {
  			throw new IllegalArgumentException(StrUtil.format("Length must be between {} and {}.", min, max));
  		}
  		return value;
  	}