class="attributes block"><dt>Since</dt><dd><p>1.0.0</p></dd><dt>Exceptions thrown</dt><dd><span class="cmt"><p><span name="[[scredis.exceptions.RedisErrorResponseException]]" class="extype"><code>[[scredis.exceptions.RedisErrorResponseException]]</code></span> if the database index is invalid</p></span></dd></dl></div></li><li class="indented0 " name="scala.AnyRef#synchronized" group="Ungrouped" fullComment="yes" data-isabs="false" visbl="pub"><a id="synchronized[T0](x$1:=&gt;T0):T0"></a><a id="synchronized