@class NSString, NSDate; @interface XREngineeringTypeDefinitions : NSObject { id /* block */ _etypeDefHandler; } @property (readonly, nonatomic) NSDate *lastModificationDate; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (void)announceUsageOfEnumString:(id)a0 context:(id)a1; + (id)descriptionForImplClass:(unsigned char)a0; + (id)implementationClassByEngineeringTypeMnemonic; + (BOOL)registerEngineeringTypes:(id)a0; @end