@class NSString, CoreTelephonyClient, NSObject; @protocol OS_dispatch_queue; @interface SIMStatusIndicator : NSObject @property (retain, nonatomic) CoreTelephonyClient *coreTelephonyClient; @property (retain, nonatomic) NSObject *queue; @property void /* function */ *callback; @property void *applicationContext; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; @end