void set_channels(map<const srd_channel*,
shared_ptr<data::SignalBase> > channels);
void set_channels(map<const srd_channel*,
shared_ptr<data::SignalBase> > channels);
const map<string, GVariant*>& options() const;
void set_option(const char *id, GVariant *value);
const map<string, GVariant*>& options() const;
void set_option(const char *id, GVariant *value);