big tings

registry/schema-org/ItemAvailability.schema.json

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+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "schema:ItemAvailability",
+  "title": "ItemAvailability",
+  "description": "A list of possible product availability options.",
+  "type": "string",
+  "oneOf": [
+    {
+      "description": "Indicates that the item is available on back order.",
+      "const": "BackOrder"
+    },
+    {
+      "description": "Indicates that the item has been discontinued.",
+      "const": "Discontinued"
+    },
+    {
+      "description": "Indicates that the item is in stock.",
+      "const": "InStock"
+    },
+    {
+      "description": "Indicates that the item is available only at physical locations.",
+      "const": "InStoreOnly"
+    },
+    {
+      "description": "Indicates that the item has limited availability.",
+      "const": "LimitedAvailability"
+    },
+    {
+      "description": "Indicates that the item is made to order (custom made).",
+      "const": "MadeToOrder"
+    },
+    {
+      "description": "Indicates that the item is available only online.",
+      "const": "OnlineOnly"
+    },
+    {
+      "description": "Indicates that the item is out of stock.",
+      "const": "OutOfStock"
+    },
+    {
+      "description": "Indicates that the item is available for pre-order.",
+      "const": "PreOrder"
+    },
+    {
+      "description": "Indicates that the item is available for ordering and delivery before general availability.",
+      "const": "PreSale"
+    },
+    {
+      "description": "Indicates that the item is reserved and therefore not available.",
+      "const": "Reserved"
+    },
+    {
+      "description": "Indicates that the item has sold out.",
+      "const": "SoldOut"
+    }
+  ]
+}