text: #ifndef STORAGEIMPL_H
  #define STORAGEIMPL_H
  
  #include <memory>
  #include <string>
  #include <iostream>
  
  class StorageImpl {
  	public:
  		static std::unique_ptr<std::istream> openAsset(const std::string& filename);
  };
  
  
  #endif // STORAGEIMPL_H
  