@class NSString, LAContext; @interface BYAuthenticationContext : NSObject <LAUIDelegate> @property (retain, nonatomic) NSString *secret; @property (retain, nonatomic) LAContext *underlyingContext; + (void)createContextWithSecret:(id)a0 policy:(long long)a1 options:(id)a2 completion:(id /* block */)a3; - (void).cxx_destruct; - (void)event:(long long)a0 params:(id)a1 reply:(id /* block */)a2; - (id)initWithSecret:(id)a0; @end