@class NSString; @interface FilterHandler : NSObject <ConfigurableObjectProtocol, SymptomAdditionalProtocol> @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)sharedInstance; + (id)configureClass:(id)a0; - (id)init; - (id)evaluate:(id)a0; - (BOOL)noteSymptom:(id)a0; - (int)configureInstance:(id)a0; - (int)read:(id)a0 returnedValues:(id)a1; - (int)configureSubsystem:(id)a0; @end