docs: public int[] get(ReadablePeriod period, long duration) {
          int size = period.size();
          int[] values = new int[size];
          if (duration != 0) {
              long current = 0;
              for (int i = 0; i < size; i++) {
                  DurationField field = period.getFieldType(i).getField(this);
                  if (field.isPrecise()) {
                      int value = field.getDifference(duration, current);
                      current = field.add(current, value);
                      values[i] = value;
                  }
              }
          }
          return values;
      }