def bind(self, prefix, namespace, override=True, replace=False) -> None:
        """Bind prefix to namespace

        If override is True will bind namespace to given prefix even
        if namespace was already bound to a different prefix.

        if replace, replace any existing prefix with the new namespace

        for example:  graph.bind("foaf", "http://xmlns.com/foaf/0.1/")

        """
        return self.namespace_manager.bind(
            prefix, namespace, override=override, replace=replace
        )