@class NSString, NSDate, _CDPerfMetricFamily; @interface _CDPerfMetric : NSObject { struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _lock; unsigned long long _count; double _lastElapsedTime; double _minimumElapsedTime; double _maximumElapsedTime; double _lastUpdateTime; unsigned long long _lastResultCount; unsigned long long _errorCount; } @property (readonly, weak) _CDPerfMetricFamily *family; @property (readonly) NSString *name; @property (readonly) NSString *string; @property (readonly) unsigned long long count; @property (readonly) NSDate *lastUpdate; @property (readonly) double lastElapsedTime; @property (readonly) double totalElapsedTime; @property (readonly) double minimumElapsedTime; @property (readonly) double maximumElapsedTime; @property (readonly) double averageElapsedTime; @property (readonly) unsigned long long lastResultCount; @property (readonly) unsigned long long errorCount; - (void).cxx_destruct; - (id)initWithName:(id)a0 string:(id)a1 family:(id)a2; @end