SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Literal \'2001:0DB8:AC10:FE01:FEED:BABE:CAFE:F00D is ipv4 string: \'
    Function isIPv4String (children 1)
     ExpressionList (children 1)
      Literal \'2001:0DB8:AC10:FE01:FEED:BABE:CAFE:F00D\'