docs: def compareBulk(self, retina_name, body):
          """Bulk compare
          Args:
              retina_name, str: The retina name (required)
              body, ExpressionOperation: Bulk comparison of elements 2 by 2 (required)
              Returns: Array[Metric]
          """
  
          resourcePath = '/compare/bulk'
          method = 'POST'
  
          queryParams = {}
          headerParams = {'Accept': 'Application/json', 'Content-Type': 'application/json'}
          postData = None
  
          queryParams['retina_name'] = retina_name
          postData = body
          response = self.apiClient._callAPI(resourcePath, method, queryParams, postData, headerParams)
          return [metric.Metric(**r) for r in response.json()]