.Root</span></code></div></div><div class="odoc-spec"><div class="spec exception anchored" id="exception-Unsupported"><a href="#exception-Unsupported" class="anchor"></a><code><span><span class="keyword">exception</span> </span><span><span class="exception">Unsupported</span> <span class="keyword">of</span> string</span></code></div></div><div class="odoc-spec"><div class="spec exception anchored" id="exception-ModifyingSealedType"><a href="#exception-ModifyingSealedType" class="anchor"></a><code><span><spa