1std::make_unique<Fallback>( 2${indent(1)}ConfigFans::get()[${f.fan}], 3${indent(1)}std::vector<std::reference_wrapper<PresenceSensor>>{ 4% for s in f.sensors: 5${indent(2)}*ConfigSensors::get()[${s}], 6% endfor 7${indent(1)}})\ 8