Initial Drupal 11 with DDEV setup

web/core/config/schema/core.menu.schema.yml

@@ -0,0 +1,43 @@
+core.menu.static_menu_link_overrides:
+  type: config_object
+  label: 'Static menu link overrides'
+  constraints:
+    FullyValidatable: ~
+  mapping:
+    definitions:
+      type: sequence
+      label: Definitions
+      sequence:
+        type: mapping
+        label: Definition
+        mapping:
+          menu_name:
+            type: string
+            label: 'Menu name'
+            # This is the id of system.menu.* config.
+            # @see core/modules/system/config/schema/system.schema.yml
+            ConfigExists:
+              prefix: 'system.menu.'
+          parent:
+            type: string
+            label: 'Parent'
+            # Menu link plugins specify the empty string if there is no parent.
+            # So this can be an empty string('') or valid menu link plugin ID.
+            # @see \Drupal\Core\Menu\MenuLinkInterface::getParent()
+            constraints:
+              AtLeastOneOf:
+                constraints:
+                  - PluginExists:
+                      manager: plugin.manager.menu.link
+                      interface: 'Drupal\Core\Menu\MenuLinkInterface'
+                  - IdenticalTo:
+                      value: ''
+          weight:
+            type: weight
+            label: 'Weight'
+          expanded:
+            type: boolean
+            label: 'Expanded'
+          enabled:
+            type: boolean
+            label: 'Enabled'