@class SFSymmetricEncryptionOperation; @interface SFCMACOperation : SFMessageAuthenticationCodeOperation { id _cmacOperationInternal; } @property (copy, nonatomic) SFSymmetricEncryptionOperation *encryptionOperation; - (id)init; - (void)encodeWithCoder:(id)a0; - (void).cxx_destruct; - (id)initWithCoder:(id)a0; - (id)initWithEncryptionOperation:(id)a0; @end