@class NSMutableData; @interface _MFSecCMSEncoder : MFBufferedDataConsumer { int _SecCMSError; struct SecCmsEncoderStr { } *_encoder; struct SecCmsMessageStr { } *_message; NSMutableData *_singleShot; } - (long long)appendData:(id)a0; - (void)dealloc; - (void)done; - (id)data; - (void).cxx_destruct; @end