    # File lib/action_controller/caching/fragments.rb, line 52
          def write_fragment(key, content, options = nil)
            return content unless cache_configured?

            self.class.benchmark "Cached fragment miss: #{key}" do
              key = fragment_cache_key(key)
              content = content.html_safe.to_str if content.respond_to?(:html_safe)
              cache_store.write(key, content, options)
            end

            content
          end