diff --git a/core/config/schema/core.data_types.schema.yml b/core/config/schema/core.data_types.schema.yml
index e3b2b9e..c3f126a 100644
--- a/core/config/schema/core.data_types.schema.yml
+++ b/core/config/schema/core.data_types.schema.yml
@@ -14,6 +14,13 @@ undefined:
 # type, we strongly suggest you use configuration structures that can be
 # described with other structural elements of schema, and describe your schema
 # with those elements.
+any:
+  label: 'Any'
+  class: '\Drupal\Core\TypedData\Plugin\DataType\Any'
+  
+# Explicit type to use when on top of having no explicit data typing like the
+# previous one, we want the schema parser to just ignore the element, not doing
+# any further type casting, validation, etc..
 ignore:
   label: 'Ignore'
   class: '\Drupal\Core\Config\Schema\Ignore'
diff --git a/core/lib/Drupal/Core/Config/StorableConfigBase.php b/core/lib/Drupal/Core/Config/StorableConfigBase.php
index 60a1d02..d340d5d 100644
--- a/core/lib/Drupal/Core/Config/StorableConfigBase.php
+++ b/core/lib/Drupal/Core/Config/StorableConfigBase.php
@@ -13,6 +13,7 @@
 use Drupal\Core\TypedData\PrimitiveInterface;
 use Drupal\Core\TypedData\Type\FloatInterface;
 use Drupal\Core\TypedData\Type\IntegerInterface;
+use Drupal\Core\TypedData\Plugin\DataType\Any;
 use Drupal\Core\Config\Schema\Undefined;
 
 /**
@@ -179,8 +180,8 @@ protected function castValue($key, $value) {
       // throwing it forward. See https://drupal.org/node/2183983.
       // Until then, we need to handle the Undefined case below.
     }
-    // Do not cast value if it is unknown or defined to be ignored.
-    if ($element && ($element instanceof Undefined || $element instanceof Ignore)) {
+    // Do not cast value if it is any, unknown or defined to be ignored.
+    if ($element && ($element instanceof Any || $element instanceof Undefined || $element instanceof Ignore)) {
       return $value;
     }
     if (is_scalar($value) || $value === NULL) {
diff --git a/core/modules/user/config/schema/user.schema.yml b/core/modules/user/config/schema/user.schema.yml
index 44762ed..ce3deb4 100644
--- a/core/modules/user/config/schema/user.schema.yml
+++ b/core/modules/user/config/schema/user.schema.yml
@@ -161,7 +161,7 @@ search.plugin.user_search:
   type: sequence
   label: 'User search'
   sequence:
-    - type: undefined
+    - type: any
 
 condition.plugin.user_role:
   type: condition.plugin
diff --git a/core/modules/views/config/schema/views.cache.schema.yml b/core/modules/views/config/schema/views.cache.schema.yml
index 3e90332..4927325 100644
--- a/core/modules/views/config/schema/views.cache.schema.yml
+++ b/core/modules/views/config/schema/views.cache.schema.yml
@@ -8,7 +8,7 @@ views.cache.none:
       type: sequence
       label: 'Options'
       sequence:
-        - type: undefined
+        - type: any
 
 views.cache.tag:
   type: views_cache
@@ -18,7 +18,7 @@ views.cache.tag:
       type: sequence
       label: 'Options'
       sequence:
-        - type: undefined
+        - type: any
 
 views.cache.time:
   type: views_cache