SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function seriesPeriodDetectFFT (children 1)
     ExpressionList (children 1)
      Function arrayMap (children 1)
       ExpressionList (children 2)
        Function lambda (children 1)
         ExpressionList (children 2)
          Function tuple (children 1)
           ExpressionList (children 1)
            Identifier x
          Function abs (children 1)
           ExpressionList (children 1)
            Function minus (children 1)
             ExpressionList (children 2)
              Function modulo (children 1)
               ExpressionList (children 2)
                Identifier x
                Literal UInt64_6
              Literal UInt64_3
        Function range (children 1)
         ExpressionList (children 1)
          Literal UInt64_1000
