def headers(self):
        """
        Get http headers or the http/https request.
        @return: A dictionary of header/values.
        @rtype: dict
        """
        action = self.method.soap.action
        stock = { 'Content-Type' : 'text/xml; charset=utf-8', 'SOAPAction': action }
        result = dict(stock, **self.options.headers)
        log.debug('headers = %s', result)
        return result
Get http headers or the http/https request.
        @return: A dictionary of header/values.
        @rtype: dict