Symbol public: class ngeo::Pimpl<class ngeo::LanguageKeyValuePair, class ngeo::internal::LanguageKeyValuePairImpl> & __thiscall ngeo::Pimpl<class ngeo::LanguageKeyValuePair, class ngeo::internal::LanguageKeyValuePairImpl>::operator=(class ngeo::Pimpl<class ngeo::LanguageKeyValuePair, class ngeo::internal::LanguageKeyValuePairImpl> &&)