anchor.diff:                  },
                   "sales_deriv": {
                       "derivative": {
  -                        "buckets_paths": "sales"
  +                        "buckets_path": "sales"
                       }
                   },
                   "sales_2nd_deriv": {
                       "derivative": {
  -                        "buckets_paths": "sales_deriv" <1>
  +                        "buckets_path": "sales_deriv" <1>
                       }
                   }
               }
  
positive.code:                 },
                  "sales_deriv": {
                      "derivative": {
                          "buckets_paths": "sales" <1>
                      }
                  }
              }
  
negative.code: }
  --------------------------------------------------
  
  <1> `buckets_path` for the second derivative points to the name of the first derivative
  
  And the following may be the response:
  
  