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web/sites/development.services.yml

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+# Local development services.
+#
+# To activate this feature, follow the instructions at the top of the
+# 'example.settings.local.php' file, which sits next to this file.
+parameters:
+  http.response.debug_cacheability_headers: true
+services:
+  cache.backend.null:
+    class: Drupal\Core\Cache\NullBackendFactory