I want to add a bootstrap panel (https://drupal-bootstrap.org/api/bootstrap/templates%21bootstrap%21bootstrap-panel.html.twig/8) to the output of my controller. My active theme is a drupal/bootstrap theme derivative. I know that I can do it with a #type='container' and adding some "panel" classes to it.

But is there also a way like:

$build['test'] = [
  "#theme" => "bootstrap-panel",
  '#body' => "HELLO World",
  '#heading' => "HELLOHEAD",
  '#panel_type' => 'default',

Unfortunately, that doesn't work.

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