presto-main/src/main/java/io/prestosql/sql/analyzer/ConstantExpressionVerifier.java/ConstantExpressionVerifierVisitor/ConstantExpressionVerifierVisitor
class ConstantExpressionVerifierVisitor:        public ConstantExpressionVerifierVisitor(Set<NodeRef<Expression>> columnReferences, Expression expression)
        {
            this.columnReferences = columnReferences;
            this.expression = expression;
        }