Symbol public: class ngeo::Pimpl<class ngeo::SignpostLabelVoiceInfo, class ngeo::internal::SignpostLabelVoiceInfoImpl> & __cdecl ngeo::Pimpl<class ngeo::SignpostLabelVoiceInfo, class ngeo::internal::SignpostLabelVoiceInfoImpl>::operator=(class ngeo::Pimpl<class ngeo::SignpostLabelVoiceInfo, class ngeo::internal::SignpostLabelVoiceInfoImpl> &&)