l#elementinternals" id="ref-for-elementinternals①"><c- g>ElementInternals</c-></a> {
  <c- b>readonly</c-> <c- b>attribute</c-> <a data-link-type="idl-name" href="#customstateset" id="ref-for-customstateset"><c- n>CustomStateSet</c-></a> <dfn class="dfn-paneled idl-code" data-dfn-for="ElementInternals" data-dfn-type="attribute" data-export data-readonly data-type="CustomStateSet" id="dom-elementinternals-states"><code><c- g>states</c-></code></dfn>;
};

[<a class="idl-code" data-link-type="extended-attrib