anchor.diff:    bool operator ==(Object other) =>
         identical(this, other) ||
             (other is Tuple11 &&
  -              runtimeType == other.runtimeType &&
                 value1 == other.value1 &&
                 value2 == other.value2 &&
                 value3 == other.value3 &&
  
positive.code:   bool operator ==(Object other) =>
        identical(this, other) ||
            (other is Tuple3 &&
                runtimeType == other.runtimeType &&
                value1 == other.value1 &&
                value2 == other.value2 &&
                value3 == other.value3
  
negative.code:   bool operator ==(Object other) =>
        identical(this, other) ||
            (other is Tuple19 &&
                value1 == other.value1 &&
                value2 == other.value2 &&
                value3 == other.value3 &&
  