AlterQuery  t0 (children 2)
 ExpressionList (children 1)
  AlterCommand ADD_COLUMN (children 1)
   ColumnDeclaration c1 (children 1)
    DataType JSON (children 1)
     ExpressionList (children 1)
      ASTObjectTypeArgument (children 1)
       NameTypePair c1 (children 1)
        DataType Variant (children 1)
         ExpressionList (children 2)
          DataType Int
          DataType JSON (children 1)
           ExpressionList (children 1)
            ASTObjectTypeArgument (children 1)
             NameTypePair c1 (children 1)
              DataType Int
 Identifier t0
