# File lib/fog/brightbox/models/storage/files.rb, line 81
        def head(key, _options = {})
          requires :directory
          data = service.head_object(directory.key, key)
          file_data = data.headers.merge(
                                           :key => key
                                         )
          new(file_data)
        rescue Fog::Storage::Brightbox::NotFound
          nil
        end