/**
* Add to the offset component of the specified time instant, wrapping around within that
* component if necessary.
*
* @param instant the time instant in millis to update.
* @param amount the amount of units to add (can be negative).
* @return the updated time instant.
*/
public long addWrapField(long instant, int amount) {
return set(instant, FieldUtils.getWrappedValue(get(instant), amount, iMin, iMax));
}
