code: public static QuantityValue makeQuantityValue(BigDecimal numericValue,
  			BigDecimal lowerBound, BigDecimal upperBound, String unit) {
  		return factory.getQuantityValue(numericValue, lowerBound, upperBound,
  				unit);
  	}
docs: Creates a {@link QuantityValue}.
  
  @param numericValue
  the numeric value of this quantity
  @param lowerBound
  the lower bound of the numeric value of this quantity
  @param upperBound
  the upper bound of the numeric value of this quantity
  @param unit
  the unit identifier to use for this quantity
  @return a {@link QuantityValue} corresponding to the input