anchor.diff:    final bool $nullable;
   
     /// Default constraints generated by drift.
  -  final String? _defaultConstraints;
  +  final void Function(GenerationContext)? _defaultConstraints;
   
     /// Custom constraints that have been specified for this column.
     ///
  
positive.code:     bool nullable,
      S? Function()? clientDefault,
      DriftSqlType<S> type,
      String? defaultConstraints,
      String? customConstraints,
      Expression<S>? defaultValue,
      VerificationResult Function(S?, VerificationMeta)? additionalChecks,
      bool requiredDuringInsert,
      GeneratedAs? generatedAs,
      Expression<bool> Function()? check,
    ) : super(
            name,
            tableName,
  
negative.code: 
    /// Whether this column has an `AUTOINCREMENT` primary key constraint that was
    /// created by drift.
    final bool hasAutoIncrement;
  
    @override
    String get name => $name;
  