SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arrayEnumerateUniqRanked (children 1)
     ExpressionList (children 5)
      Literal UInt64_1
      Literal Array_[Array_[UInt64_7, UInt64_8, UInt64_9, UInt64_10], Array_[UInt64_10, UInt64_11, UInt64_12]]
      Literal UInt64_2
      Literal Array_[Array_[UInt64_14, UInt64_15, UInt64_16], Array_[UInt64_17, UInt64_18, UInt64_19], Array_[UInt64_20], Array_[UInt64_21]]
      Literal UInt64_2