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<body>
<script type="application/javascript">
  'use strict';
  // -sp-context: content
  (function () {
    let proto = Object.create(HTMLDivElement.prototype);
    proto.template = `<style></style>`;
    proto.createdCallback = function() {
    let shadow = this.createShadowRoot();
    if (this.template) {
      let te = document.createElement('template');
      te.innerHTML = this.template;
      shadow.appendChild(document.importNode(te.content, true));
    }
  };

  let UiComponentTest = document.registerElement('ui-component-test', {
    prototype: proto,
  });

  let uic = new UiComponentTest();
  document.body.appendChild(uic);

  })();
</script>
</body>