{% set signifier %}
  {% include '@bolt-elements-image/image.twig' with {
    ...
  } only %}
{% endset %}

{% set title %}
  {% include '@bolt-elements-type/type.twig' with {
    ...
  } only %}
{% endset %}

{% include '@bolt-components-panel/panel.twig' with {
  signifier: signifier,
  title: title,
} only %}