s="material-icons"></i>
      </a>
    </span>
      <span class="modifier_kind">
        <span class="modifier">final </span>
        <span class="kind">var</span>
      </span>
      <span class="symbol">
        <span class="name">fallbackLazyValue</span><span class="result">: <span class="extype" name="scala.Option">Option</span>[() ⇒ <span class="extype" name="scala.Predef.Map">Map</span>[<span class="extype" name="com.johnsnowlabs.nlp.serialization.MapFeature.TKey">TKey</span>, <span class="extyp