presto-main/src/main/java/io/prestosql/sql/relational/ConstantExpression.java/ConstantExpression/ConstantExpression
class ConstantExpression:    public ConstantExpression(Object value, Type type)
    {
        requireNonNull(type, "type is null");

        this.value = value;
        this.type = type;
    }