# File lib/licensee/project_files/package_info.rb, line 4
      def possible_matchers
        case ::File.extname(filename)
        when '.gemspec'
          [Matchers::Gemspec]
        when '.json'
          [Matchers::NpmBower]
        else
          if filename == 'DESCRIPTION' && content.start_with?('Package:')
            [Matchers::Cran]
          else
            []
          end
        end
      end