Method: Get the number of posts per page to be used on the feed of the iCal, make sure it passes the value via the filter tribe_ical_feed_posts_per_page and validates the number is greater than 0.
Filter Hook: Allows filtering the event IDs after the `Tribe__Events__ICal` class tried to fetch them from the current request.
Method: Get the iCal Output for the provided event object.
Method: Make sure when we grab a month link it includes the correct month.
Filter Hook: Allow for customization of an individual “VTIMEZONE” item to be rendered inside an iCal export file.
Method: Attach hooks
Method: Filter on tribe_ical_feed_item to add the data information about the lat, lng if present on the Event.
Method: Get the LOCATION value from the $item
Class: Class Tribe__Events__Pro__iCal
Filter Hook: Filters the number of upcoming events the iCal feed should export.