"url": IsOneOf(
                    "https://stag.example.com/",
                    # TODO: remove when deprecating Pydantic v1
                    "https://stag.example.com",
                ),
                "description": "Staging environment",
            },
            {
                "url": IsOneOf(
                    "https://prod.example.com/",
                    # TODO: remove when deprecating Pydantic v1

                "description": "Manage items. So _fancy_ they have their own docs.",
                "externalDocs": {
                    "description": "Items external docs",
                    "url": "https://fastapi.tiangolo.com/",
                },
            },
        ],