SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 4)
    Literal \'London\' (alias str)
    Function punycodeEncode (alias puny) (children 1)
     ExpressionList (children 1)
      Identifier str
    Function punycodeDecode (alias original) (children 1)
     ExpressionList (children 1)
      Identifier puny
    Function tryPunycodeDecode (alias original_try) (children 1)
     ExpressionList (children 1)
      Identifier puny
