SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 5)
    Identifier idna
    Function idnaEncode (alias ascii) (children 1)
     ExpressionList (children 1)
      Identifier idna
    Function tryIdnaEncode (alias ascii_try) (children 1)
     ExpressionList (children 1)
      Identifier ascii
    Function idnaDecode (alias original) (children 1)
     ExpressionList (children 1)
      Identifier ascii
    Function idnaDecode (alias original_try) (children 1)
     ExpressionList (children 1)
      Identifier ascii_try
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier tab