public static String presentMinMaxCount(long minmax) {
		if (minmax == Long.MAX_VALUE || minmax == Long.MIN_VALUE) {
			return UNDEF_STRING;
		}
		return String.valueOf(minmax);
	}
public static String presentMinMaxCount ( long minmax ) { if ( minmax == Long . MAX_VALUE || minmax == Long . MIN_VALUE ) { return UNDEF_STRING ; } return String . valueOf ( minmax ) ; }
Returns min/max counter values in human readable form - if the value is max or min long value
it is considered unused and string "undef" is returned.

@param minmax counter extreme value
@return counter value or "undef" if counter contains {@code Long.MIN_VALUE} or {@code Long.MAX_VALUE}