public long add(long instant, long value) {
long addition = FieldUtils.safeMultiply(value, iUnitMillis);
return FieldUtils.safeAdd(instant, addition);
}
public long add(long instant, long value) {
return FieldUtils.safeAdd(instant, value);
}
public long add(long instant, int value) {
long addition = value * iUnitMillis; // safe
return FieldUtils.safeAdd(instant, addition);
}
