module Storage
  class StorageService
    def list_files(_folder)
      raise NotImplementedError
    end

    def folder_present?(_folder)
      raise NotImplementedError
    end

    def get_file_io(_file_name)
      raise NotImplementedError
    end

    def write_file(_file_name, _data)
      raise NotImplementedError
    end
  end
end