@staticmethod<EOL><INDENT>def parse_historical_content(raw_json):<DEDENT>
hc = json.loads(raw_json)<EOL>return hc<EOL>
Parse a Confluence historical content JSON stream.

        This method parses a JSON stream and returns a dictionary
        that contains the data of a historical content.

        :param raw_json: JSON string to parse

        :returns: a dict with historical content