presto-main/src/main/java/io/prestosql/sql/planner/sanity/SugarFreeChecker.java/Visitor/createIllegalNodeException
class Visitor:        private static IllegalArgumentException createIllegalNodeException(Node node)
        {
            return new IllegalArgumentException(node.getClass().getSimpleName() + " should have been replaced with a function call");
        }