def capture_message(self, message, level=None):
        # type: (str, Optional[Any]) -> Optional[str]
        """Captures a message.  The message is just a string.  If no level
        is provided the default level is `info`.
        """
        if self.client is None:
            return None
        if level is None:
            level = "info"
        return self.capture_event({"message": message, "level": level})
Captures a message.  The message is just a string.  If no level
        is provided the default level is `info`.