Header parts:
PVR_ERROR GetEPGForChannel(int channelUid, time_t start, time_t end, kodi::addon::PVREPGTagsResultSet& results) override;
PVR_ERROR IsEPGTagRecordable(const kodi::addon::PVREPGTag& tag, bool& isRecordable) override;
PVR_ERROR IsEPGTagPlayable(const kodi::addon::PVREPGTag& tag, bool& isPlayable) override;
PVR_ERROR GetEPGTagEdl(const kodi::addon::PVREPGTag& tag, std::vector<kodi::addon::PVREDLEntry>& edl) override;
PVR_ERROR GetEPGTagStreamProperties(const kodi::addon::PVREPGTag& tag, std::vector<kodi::addon::PVRStreamProperty>& properties) override;
PVR_ERROR SetEPGMaxPastDays(int pastDays) override;
PVR_ERROR SetEPGMaxFutureDays(int futureDays) override;
PVR_ERROR CallEPGMenuHook(const kodi::addon::PVRMenuhook& menuhook, const kodi::addon::PVREPGTag& tag) override;