@class NSUUID, NSMutableArray, NSDate; @interface PCSMTT : NSObject <NSSecureCoding> @property (class, readonly) BOOL supportsSecureCoding; @property (retain) NSDate *startTime; @property (retain) NSMutableArray *completedPoints; @property (readonly) NSUUID *parentUUID; @property (readonly) NSUUID *UUID; @property (readonly) double time; @property BOOL returnedExistingIdentity; - (id)init; - (void)start; - (void)encodeWithCoder:(id)a0; - (id)jsonDict; - (void)stop; - (id)description; - (void).cxx_destruct; - (id)initWithCoder:(id)a0; - (void)completePoint:(id)a0; - (id)initWithMTT:(id)a0; - (void)measure:(id)a0 block:(id /* block */)a1; - (void)measure:(id)a0 success:(BOOL)a1 time:(double)a2; - (id)measurePoint:(id)a0; @end