amed parameter of the frontend. In this case the user can select either
          way of processing records:
        </p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
              Call the <code class="computeroutput"><span class="identifier">run</span></code> method
              of the frontend. This call will block in the feeding loop. This loop
              can be interrupted with the call to <code class="computeroutput"><span class="identif