code: public final Condition between(final V lo, final V hi) {
          return new Condition().withComparisonOperator(BETWEEN).withAttributeValueList(convert(lo), convert(hi));
      }
docs: Creates a condition which filters on the specified values.
  @param lo The start of the range (inclusive).
  @param hi The end of the range (inclusive).
  @return The condition.
  @see com.amazonaws.services.dynamodbv2.model.ComparisonOperator#BETWEEN
  @see com.amazonaws.services.dynamodbv2.model.Condition