@class NSString, AMSObservable; @interface AMSMemoryPressure : NSObject @property (class, readonly, nonatomic) AMSObservable *observable; @property (class, readonly, nonatomic) NSString *lastKnownStatus; + (void)unsubscribe:(id)a0; + (void)initialize; + (void)subscribe:(id)a0; + (id)_memoryPressureStatusForMemoryPressure:(unsigned int)a0; @end