IAnalyticsProvider is the interface you need to implement in order to plugin a new analytics provider.
FAnalyticsSwrve is the provider for the premium service Swrve. www.swrve.com
FAnalyticsMulticast is used to send your game events to multiple providers, e.g. both Flurry and Apsalar.
FAnalyticsET is our internal analytics gathering one and should only be used by Epic.