"width": {"type": "integer", "title": "Width"},
                        "length": {"type": "integer", "title": "Length"},
                        "area": {"type": "integer", "title": "Area", "readOnly": True},
                    },
                    "type": "object",
                    "required": ["width", "length", "area"],
                    "title": "Rectangle",
                }
            }
        },

    # A Vocabulary for Basic Meta-Data Annotations
    title: Optional[str] = None
    description: Optional[str] = None
    default: Optional[Any] = None
    deprecated: Optional[bool] = None
    readOnly: Optional[bool] = None
    writeOnly: Optional[bool] = None
    examples: Optional[List[Any]] = None
    # Ref: OpenAPI 3.1.0: https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.1.0.md#schema-object