@class NSString; @interface CNExternalRepresentationDescription : CNPropertyDescription <CNAbstractPropertyDescription> @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)CNValueForContact:(id)a0; - (BOOL)isEqualForContact:(id)a0 other:(id)a1; - (BOOL)abPropertyID:(int *)a0; - (Class)valueClass; - (void)setCNValue:(id)a0 onContact:(id)a1; - (id)init; - (void)encodeUsingCoder:(id)a0 contact:(id)a1; - (void)resetGuardianManagedValueOnContact:(id)a0; - (void)decodeUsingCoder:(id)a0 contact:(id)a1; - (unsigned int)abPropertyType; - (id)CNValueFromABBytes:(char *)a0 length:(unsigned long long)a1; @end