def setup(self) -> None:
        if self.openapi_url:
            urls = (server_data.get("url") for server_data in self.servers)
            server_urls = {url for url in urls if url}

            async def openapi(req: Request) -> JSONResponse:
                root_path = req.scope.get("root_path", "").rstrip("/")
                if root_path not in server_urls:
                    if root_path and self.root_path_in_servers:

                """
            ),
        ] = None,
        redirect_slashes: Annotated[
            bool,
            Doc(
                """
                Whether to detect and redirect slashes in URLs when the client doesn't
                use the same format.
                """
            ),
        ] = True,
        default: Annotated[
            Optional[ASGIApp],
            Doc(