@interface HDHeartEventDataAggregator : HDPassiveDataAggregator - (Class)sensorDatumClass; - (id)objectType; - (id)dataObjectsFromSensorDatum:(id)a0 error:(id *)a1; - (id)_categoryType; - (BOOL)didPersistObjects:(id)a0 lastDatum:(id)a1 collector:(id)a2 error:(id *)a3; @end