lass="ruby-identifier">klass</span><span class="ruby-operator">::</span><span class="ruby-constant">CONTENT_TYPE</span>)  <span class="ruby-keyword">then</span> <span class="ruby-identifier">klass</span><span class="ruby-operator">::</span><span class="ruby-constant">CONTENT_TYPE</span>
                         <span class="ruby-keyword">else</span> <span class="ruby-keyword">next</span>
                         <span class="ruby-keyword">end</span>

      <span class="ruby-identifier">ext</span> = <span cl