> (<span class="ruby-identifier">d</span>.<span class="ruby-identifier">extension</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">ext</span>) <span class="ruby-operator">&amp;&amp;</span> (<span class="ruby-identifier">d</span>.<span class="ruby-identifier">content_type</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">obj_content_type</span>) }
      <span class="ruby-identifier">overrides</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ru