code: public LongParameter setMaximumValue(long maximumValue) {
  		if (hasMinimumValue) {
  			Util.checkParameter(maximumValue >= minimumValue,
  				"Maximum value (" + maximumValue + ") must be greater than or equal to minimum (" + minimumValue + ")");
  		}
  
  		this.hasMaximumValue = true;
  		this.maximumValue = maximumValue;
  
  		return this;
  	}
docs: Set the maximum value.
  
  <p>If a minimum value has been set then the maximum value must not be
  less than the minimum value.
  
  @param maximumValue the maximum value
  @return this