Draft: Resolve #3522497 "Deprecation poc"

Closes #3522497

core/config/schema/core.data_types.schema.yml

@@ -53,7 +53,8 @@ mapping:
   constraints:
     # By default, allow the explicitly listed mapping keys, and require their
     # presence unless `requiredKey: false` is specified.
-    ValidKeys: '<infer>'
+    ValidKeys:
+      allowedKeys: '<infer>'
 sequence:
   label: Sequence
   class: '\Drupal\Core\Config\Schema\Sequence'
@@ -200,13 +201,16 @@ _core_config_info:
       label: 'Default configuration hash'
       constraints:
         NotNull: []
-        Regex: '/^[a-zA-Z0-9\-_]+$/'
+        Regex:
+          pattern: '/^[a-zA-Z0-9\-_]+$/'
         # The hash is a base64-encoded version of the config's SHA-256 hash. Given
         # the deterministic length of a SHA-256 hash, and the way base64 encoding
         # works, this is always going to be 43 characters long.
-        Length: 43
+        Length:
+          exactly: 43
   constraints:
-    ValidKeys: ['default_config_hash']
+    ValidKeys:
+      allowedKeys: ['default_config_hash']
 
 config_object:
   type: mapping
@@ -382,7 +386,8 @@ config_dependencies_base:
         constraints:
           NotBlank: []
           ExtensionName: []
-          ExtensionExists: module
+          ExtensionExists:
+            type: module
     theme:
       # All dependency keys are optional: this might not depend on any themes.
       requiredKey: false
@@ -393,9 +398,11 @@ config_dependencies_base:
         constraints:
           NotBlank: []
           ExtensionName: []
-          ExtensionExists: theme
+          ExtensionExists:
+            type: theme
   constraints:
-    ValidKeys: '<infer>'
+    ValidKeys:
+      allowedKeys: '<infer>'
 
 config_dependencies:
   type: config_dependencies_base
@@ -407,7 +414,8 @@ config_dependencies:
       type: config_dependencies_base
       label: 'Enforced configuration dependencies'
   constraints:
-    ValidKeys: '<infer>'
+    ValidKeys:
+      allowedKeys: '<infer>'
 
 config_entity:
   type: mapping
@@ -462,7 +470,8 @@ block_settings:
       constraints:
         NotBlank: []
         ExtensionName: []
-        ExtensionExists: module
+        ExtensionExists:
+          type: module
     context_mapping:
       requiredKey: false
       type: sequence
@@ -556,7 +565,8 @@ field_config_base:
       type: string
       label: 'Bundle'
       constraints:
-        EntityBundleExists: '%parent.entity_type'
+        EntityBundleExists:
+          entityTypeId: '%parent.entity_type'
     label:
       type: required_label
       label: 'Label'