anchor.diff:    ///
     /// See the [documentation](https://moor.simonbinder.eu/docs/getting-started/writing_queries/#updates-and-deletes)
     /// for more details and example on how delete statements work.
  -  @protected
  -  @visibleForTesting
     DeleteStatement<T, D> delete<T extends Table, D extends DataClass>(
         TableInfo<T, D> table) {
       return DeleteStatement<T, D>(_resolvedEngine, table);
  
positive.code:   }
  
    /// Executes the custom sql [statement] on the database.
    @protected
    @visibleForTesting
    Future<void> customStatement(String statement, [List<dynamic> args]) {
      final engine = _resolvedEngine;
  
  
negative.code:   ///    );
    ///  });
    /// ```
    Future<void> batch(Function(Batch) runInBatch) {
      final engine = _resolvedEngine;
  
  