fact: Definition GuardSig : ADTSig := ADTsignature { Constructor "Init" : rep, Method "ProcessPacket" : rep * bytes -> rep * bool }.
imports: Fiat.QueryStructure.Automation.MasterPlan Fiat.Narcissus.Examples.NetworkStack.IPv4Header Fiat.Narcissus.Examples.NetworkStack.TCP_Packet Fiat.Narcissus.Formats.ByteBuffer