void Print(std::ostream &os = std::cout, std::string const &indent = "" );
void WriteContent(std::ofstream *fp, FileType filetype);
uint32_t ComputeFullLength();
void Print(std::ostream &os = std::cout, std::string const &indent = "" );
void WriteContent(std::ofstream *fp, FileType filetype);
uint32_t ComputeFullLength();