@interface DCXPCActivityController : NSObject + (id)sharedInstance; - (void)start; - (id)_activityCriteriaWithFrequency:(double)a0; - (void)_performMetadataRefreshForActivity:(id)a0; - (void)_registerActivityWithInterval:(double)a0; - (void)updateActivityScheduleWithAsset:(id)a0; @end