@class NSData; @interface VNFeaturePrintObservation : VNObservation @property (readonly) unsigned long long elementType; @property (readonly) unsigned long long elementCount; @property (readonly) NSData *data; + (BOOL)supportsSecureCoding; - (BOOL)computeDistance:(float *)a0 toFeaturePrintObservation:(id)a1 error:(id *)a2; - (float)computeDistanceToFeaturePrintObservation:(id)a0 error:(id *)a1; @end