"x-something-internal": {"level": 4},
        }
    }


@app.get("/foo", response_model=Item)
def foo():
    return {"name": "Foo item"}


client = TestClient(app)


item_schema = {
    "title": "Item",
    "required": ["name"],
    "type": "object",
    "x-something-internal": {
        "level": 4,
    },
    "properties": {
        "name": {
            "title": "Name",

                        )
                        item_schema["required"] = ["data"]
                        item_schema["properties"]["data"] = {
                            "type": "string",
                            "contentMediaType": "application/json",
                            "contentSchema": content_schema,
                        }
                    sse_content["itemSchema"] = item_schema