
  <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">to_json</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">a</span>)
    {
      <span class="ruby-constant">JSON</span>.<span class="ruby-identifier">create_id</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">class</span>.<span class="ruby-identifier">name</span>,
      <span class="ruby-value str">'s'</span> =<span class="ruby-operator">&gt;