@class NSMutableData; @interface OspreyMessageReader : NSObject { id /* block */ _messageHandler; unsigned long long _readerState; unsigned long long _messageSequence; BOOL _currentMessageCompressed; unsigned long long _currentMessageSize; NSMutableData *_messageBuffer; } - (void).cxx_destruct; - (void)readData:(id)a0; - (void)_produceMessageBody:(id)a0; - (id)initWithMessageHandler:(id /* block */)a0; @end