docs: def configure_scraper(self, scraper_config):
          """
          Configures a PrometheusScaper object with query credentials
          :param scraper: valid PrometheusScaper object
          :param endpoint: url that will be scraped
          """
          endpoint = scraper_config['prometheus_url']
          scraper_config.update(
              {
                  'ssl_ca_cert': self._ssl_verify,
                  'ssl_cert': self._ssl_cert,
                  'ssl_private_key': self._ssl_private_key,
                  'extra_headers': self.headers(endpoint) or {},
              }
          )