void set_distributor (boost::optional<std::string> d = boost::none);
void set_luminance (boost::optional<dcp::Luminance> l = boost::none);
void set_audio_language (boost::optional<dcp::LanguageTag> language);
void set_distributor (boost::optional<std::string> d = boost::none);
void set_luminance (boost::optional<dcp::Luminance> l = boost::none);
void set_audio_language (boost::optional<dcp::LanguageTag> language);
bool _two_d_version_of_three_d = false;
boost::optional<dcp::Luminance> _luminance;
boost::optional<dcp::LanguageTag> _audio_language;
bool _two_d_version_of_three_d = false;
boost::optional<dcp::Luminance> _luminance;
boost::optional<dcp::LanguageTag> _audio_language;