a:3:{s:7:"#markup";O:25:"Drupal\Core\Render\Markup":1:{s:9:"*string";s:721:"

<!-- THEME DEBUG -->
<!-- THEME HOOK: 'block' -->
<!-- FILE NAME SUGGESTIONS:
   * block--sliderdemo.html.twig
   * block--broken.html.twig
   * block--image-slider.html.twig
   x block.html.twig
-->
<!-- BEGIN OUTPUT from 'core/themes/classy/templates/block/block.html.twig' -->
<div id="block-sliderdemo" class="contextual-region block block-image-slider block-broken">
  
    <div data-contextual-id="block:block=sliderdemo:langcode=en" data-contextual-token="umbY3qbHISrGEv8T5VahwfKtEJqww6OFC38UwsGlFYo"></div>
      This block is broken or missing. You may be missing content or you might need to enable the original module.
  </div>

<!-- END OUTPUT from 'core/themes/classy/templates/block/block.html.twig' -->

";}s:9:"#attached";a:0:{}s:6:"#cache";a:3:{s:8:"contexts";a:3:{i:0;s:28:"languages:language_interface";i:1;s:5:"theme";i:2;s:16:"user.permissions";}s:4:"tags";a:2:{i:0;s:10:"block_view";i:1;s:29:"config:block.block.sliderdemo";}s:7:"max-age";i:-1;}}