@interface DCAppAttestService : NSObject @property (class, readonly) DCAppAttestService *sharedService; @property (readonly, getter=isSupported) BOOL supported; - (void)generateAssertion:(id)a0 clientDataHash:(id)a1 completionHandler:(id /* block */)a2; - (id)_loadAppUUID; - (void)attestKey:(id)a0 clientDataHash:(id)a1 completionHandler:(id /* block */)a2; - (void)generateKeyWithCompletionHandler:(id /* block */)a0; - (BOOL)_isSupportedReturningError:(id *)a0; - (id)_rewrapAsDCError:(id)a0; - (void)_saveAppUUID:(id)a0; @end