#ifndef QPDF_NULL_HH #define QPDF_NULL_HH #include class QPDF_Null: public QPDFValue { public: virtual ~QPDF_Null() = default; static std::shared_ptr create(); static std::shared_ptr create( std::shared_ptr parent, std::string_view const& static_descr, std::string var_descr); static std::shared_ptr create( std::shared_ptr parent, std::string_view const& static_descr, std::string var_descr); virtual std::shared_ptr copy(bool shallow = false); virtual std::string unparse(); virtual JSON getJSON(int json_version); private: QPDF_Null(); }; #endif // QPDF_NULL_HH