an class='tstring_end'>&#39;</span></span> <span class='kw'>unless</span> <span class='const'>File</span><span class='period'>.</span><span class='id identifier rubyid_exist?'>exist?</span><span class='lparen'>(</span><span class='ivar'>@ssl_key_file</span><span class='rparen'>)</span>
  <span class='kw'>end</span>

  <span class='kw'>nil</span>
<span class='kw'>end</span></pre>
    </td>
  </tr>
</table>
</div>
    
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