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<!DOCTYPE html>
<script>
window.addEventListener("portalactivate", function(e) {
var bc = new BroadcastChannel("portals-host-hidden-after-activation");
bc.postMessage({ hasHost: !!window.portalHost });
bc.close();
});
var bc = new BroadcastChannel("portals-host-hidden-after-activation");
bc.postMessage({hasHost: !!window.portalHost });
bc.close();
window.portalHost.postMessage("loaded");
</script>