presto-main/src/main/java/io/prestosql/sql/gen/SqlTypeBytecodeExpression.java/SqlTypeBytecodeExpression/constantType
class SqlTypeBytecodeExpression:    public static SqlTypeBytecodeExpression constantType(CallSiteBinder callSiteBinder, Type type)
    {
        requireNonNull(callSiteBinder, "callSiteBinder is null");
        requireNonNull(type, "type is null");

        Binding binding = callSiteBinder.bind(type, Type.class);
        return new SqlTypeBytecodeExpression(type, binding, BOOTSTRAP_METHOD);
    }