* `url`: (`str`) A URL pointing to the contact information. MUST be in
                    the format of a URL.
                * `email`: (`str`) The email address of the contact person/organization.
                    MUST be in the format of an email address.

                It will be added to the generated OpenAPI (e.g. visible at `/docs`).

                Read more at the

        self.path_regex, self.path_format, self.param_convertors = compile_path(path)
        self.dependant = get_dependant(path=self.path_format, call=self.endpoint)
        for depends in self.dependencies[::-1]:
            self.dependant.dependencies.insert(
                0,
                get_parameterless_sub_dependant(depends=depends, path=self.path_format),
            )

        self.app = websocket_session(