@class _TtC17MessageProtection17SKIncomingRatchet; @interface MPStatusKitIncomingRatchet : NSObject @property (retain, nonatomic) _TtC17MessageProtection17SKIncomingRatchet *ratchet; - (id)initWithData:(id)a0 error:(id *)a1; - (id)serializedData; - (void).cxx_destruct; - (id)initWithIndex:(unsigned short)a0 chainKey:(id)a1 signingKey:(id)a2 error:(id *)a3; - (id)signingKeyIdentifier; - (id)unsealStatusWithIndex:(unsigned short)a0 encryptedMessage:(id)a1 authenticating:(id)a2 signature:(id)a3 error:(id *)a4; @end