="modifier_kind">
        <span class="modifier"></span>
        <span class="kind">val</span>
      </span>
      <span class="symbol">
        <span class="name">sentencePadding</span><span class="result">: (<span class="extype" name="scala.Predef.String">String</span>, <span class="extype" name="scala.Predef.String">String</span>)</span>
      </span>
      
      <p class="shortcomment cmt">Special tokens of the model for processing</p><div class="fullcomment"><div class="comment cmt"><p>Special tokens 