@interface OspreyMescalSession : NSObject { struct FPSAPContextOpaque_ { } *_fairplayContext; struct FairPlayHWInfo_ { unsigned int IDLength; unsigned char ID[20]; } _hardwareInfo; unsigned long long _state; } - (id)signData:(id)a0 error:(id *)a1; - (id)init; - (void)dealloc; - (void)invalidate; - (id)_exchangeData:(id)a0 error:(id *)a1; - (BOOL)completeWithHandshakeResponse:(id)a0 error:(id *)a1; - (id)handshakeRequestWithCertificateData:(id)a0 error:(id *)a1; @end