public MetricBuilder withValue(Number value, String prettyPrintFormat) {
        current = new MetricValue(value.toString(), prettyPrintFormat);            
        return this;
    }
public MetricBuilder withValue ( Number value , String prettyPrintFormat ) { current = new MetricValue ( value . toString ( ) , prettyPrintFormat ) ; return this ; }
Sets the value of the metric to be built.

@param value the value of the metric
@param prettyPrintFormat the format of the output (@see {@link DecimalFormat})
@return this