/PATENTS.txt
-->
<meta
  http-equiv="content-security-policy"
  content="require-trusted-types-for 'script'"
/>
<meta
  http-equiv="content-security-policy"
  content="trusted-types webcomponents-loader"
/>
<script>
  delete window.customElements;
  delete Element.prototype.attachShadow;

  window.addEventListener('error', (e) => {
    window.parent.postMessage('error', '*');
  });
  window.addEventListener('WebComponentsReady', () => {
    window.parent.postMessage('WebComponentsReady', '*');
  });
</scrip