/span><span class="args">(<span><span class="symbol">classOf[java.lang.Throwable]</span></span>)</span> <span class="name">@Deprecated</span> </dd><dt>Deprecated</dt><dd class="cmt"></dd></dl></div></li><li class="indented0 " name="scala.Predef.ArrowAssoc#→" group="Ungrouped" fullComment="yes" data-isabs="false" visbl="pub"><a id="→[B](y:B):(A,B)"></a><a id="→[B](B):(Leaf,B)"></a> <span class="permalink"><a href="../../provingground/translation/TreeModel$$Leaf.html#→[B](y:B):(A,B)" title="Permalink"