Returns information about a space.
        :param space_key (string): A string containing the key of the space.
        :param expand (string): OPTIONAL: A comma separated list of properties to expand on the space. Default: Empty.
        :param callback: OPTIONAL: The callback to execute on the resulting data, before the method returns.
                         Default: None (no callback, raw data returned).
        :return: The JSON data returned from the space/{spaceKey} endpoint,
                 or the results of the callback. Will raise requests.HTTPError on bad input, potentially.

def get_space_information(self, space_key, expand=None, callback=None):
        """
        Returns information about a space.
        :param space_key (string): A string containing the key of the space.
        :param expand (string): OPTIONAL: A comma separated list of properties to expand on the space. Default: Empty.
        :param callback: OPTIONAL: The callback to execute on the resulting data, before the method returns.
                         Default: None (no callback, raw data returned).
        :return: The JSON data returned from the space/{spaceKey} endpoint,
                 or the results of the callback. Will raise requests.HTTPError on bad input, potentially.
        """
        params = {}
        if expand:
            params["expand"] = expand
        return self._service_get_request("rest/api/space/{key}".format(key=space_key),
                                         params=params, callback=callback)