anchor.diff:              indexed: indexed,
               nullable: nullable,
               includedInDefaultResultSet: includedInDefaultResultSet,
  -            autoincrement: autoincrement,
  -            underlyingType: underlyingType);
  +            autoincrement: autoincrement);
   
     /// Whether or not this attribute is the primary key for its [ManagedEntity].
     ///
  
positive.code:       bool indexed: false,
        bool nullable: false,
        bool includedInDefaultResultSet: true,
        bool autoincrement: false,
        Type underlyingType})
        : isPrimaryKey = primaryKey,
          this.defaultValue = defaultValue,
          this.transientStatus = transientStatus,
  
negative.code:       bool indexed: false,
        bool nullable: false,
        bool includedInDefaultResultSet: true,
        bool autoincrement: false})
        : isUnique = unique,
          isIndexed = indexed,
          isNullable = nullable,
  