+ virtual RESULT removeService(const eServiceReference &service)=0;
+ virtual RESULT removeServices(eDVBChannelID chid=eDVBChannelID(), unsigned int orb_pos=0xFFFFFFFF)=0;
+ virtual RESULT removeServices(int dvb_namespace=-1, int tsid=-1, int onid=-1, unsigned int orb_pos=0xFFFFFFFF)=0;
+ virtual RESULT addFlag(const eServiceReference &service, unsigned int flagmask=0xFFFFFFFF)=0;
+ virtual RESULT removeFlag(const eServiceReference &service, unsigned int flagmask=0xFFFFFFFF)=0;
+ virtual RESULT removeFlags(unsigned int flagmask, eDVBChannelID chid=eDVBChannelID(), unsigned int orb_pos=0xFFFFFFFF)=0;
+ virtual RESULT removeFlags(unsigned int flagmask, int dvb_namespace=-1, int tsid=-1, int onid=-1, unsigned int orb_pos=0xFFFFFFFF)=0;