message: Increased ClassDef of Threshold from 2 to 3
diff: @@ -67,7 +67,7 @@ public:
  // #if ROOT_VERSION_CODE < ROOT_VERSION(5,99,0)
  // Private - cannot be streamed
  - ClassDef(AliTRDPIDThresholds, 2);
  + ClassDef(AliTRDPIDThresholds, 3);
  // #endif
  };
  