docs: def _parameterize(self, config, parameters):
          """
          Parameterized configuration template given as string with dynamic parameters.
  
          :param config: a string with configuration template to be parameterized
  
          :param parameters: dynamic parameters to inject into the template
  
          :return: a parameterized configuration string.
          """
          parameters = self._parameters.override(parameters)
          return pystache.render(config, parameters)