code: def pipelines(self):
          
          if not self.response:
              return set()
          elif self._pipelines is None and self.response:
              self._pipelines = set()
              for group in self.response.payload:
                  for pipeline in group['pipelines']:
                      self._pipelines.add(pipeline['name'])
  
          return self._pipelines
docs: Returns a set of all pipelines from the last response
  
          Returns:
            set: Response success: all the pipelines available in the response
                 Response failure: an empty set