t>Annotations</dt><dd>
                <span class="name">@throws</span><span class="args">(<span>
      
      <span class="symbol">classOf[java.lang.Throwable]</span>
    </span>)</span>
              
        </dd></dl></div>
    </li><li name="com.johnsnowlabs.nlp.Annotation#flatten" visbl="pub" class="indented0 " data-isabs="false" fullComment="no" group="Ungrouped">
      <a id="flatten(vSep:String,aSep:String,parseEmbeddings:Boolean):org.apache.spark.sql.expressions.UserDefinedFunction"></a><a id="fl