SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function and (children 1)
     ExpressionList (children 3)
      Function greaterOrEquals (children 1)
       ExpressionList (children 2)
        Function filesystemCapacity (children 1)
         ExpressionList
        Function filesystemAvailable (children 1)
         ExpressionList
      Function greaterOrEquals (children 1)
       ExpressionList (children 2)
        Function filesystemAvailable (children 1)
         ExpressionList
        Literal UInt64_0
      Function greaterOrEquals (children 1)
       ExpressionList (children 2)
        Function filesystemUnreserved (children 1)
         ExpressionList
        Literal UInt64_0