@interface CALNEventInvitationNotificationDataSourceUtils : NSObject + (void)clearEventInvitationOfType:(int)a0 withSourceClientIdentifier:(id)a1 inEventStore:(id)a2 withNotificationReferenceProvider:(id)a3; + (id)eventForEventInvitation:(id)a0 inEventStore:(id)a1; + (id)eventForNotificationOfType:(int)a0 withSourceClientIdentifier:(id)a1 inEventStore:(id)a2 withNotificationReferenceProvider:(id)a3; + (id)expirationDateForEventInvitation:(id)a0; @end