text: #ifndef PREPROCESSOR_INTERFACE_TYPES_H_mf3ifj4389fj4fjioejflsakmdkjsnfiknejdwejdoijweoifdj23498f54jgfrekjnkf
  #define PREPROCESSOR_INTERFACE_TYPES_H_mf3ifj4389fj4fjioejflsakmdkjsnfiknejdwejdoijweoifdj23498f54jgfrekjnkf
  
  #include <string>
  
  namespace preprocessor
  {
  	class input
  	{};
  
  	class output
  	{
  	public:
  		std::string wide_lines_filename;
  		std::string original_filename;
  	};
  }
  
  #endif