SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function parseDateTimeBestEffortOrNull (alias a) (children 1)
     ExpressionList (children 2)
      Literal \'1640649600123\'
      Literal \'UTC\'
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier a
