RecurringRuleRecurringRuleInterval is enum for the field interval
- RECURRING_RULE_INTERVAL_ONCE
- RECURRING_RULE_INTERVAL_EVERY_WEEK
- RECURRING_RULE_INTERVAL_EVERY_TWO_WEEKS
- RECURRING_RULE_INTERVAL_EVERY_FOUR_WEEKS
- RECURRING_RULE_INTERVAL_EVERY_MONTH
- RECURRING_RULE_INTERVAL_TWICE_EVERY_MONTH
- RECURRING_RULE_INTERVAL_EVERY_TWO_MONTHS
- RECURRING_RULE_INTERVAL_EVERY_THREE_MONTHS
- RECURRING_RULE_INTERVAL_SIX_MONTHS
- RECURRING_RULE_INTERVAL_EVERY_YEAR