object = bt_value_array_borrow_element_by_index_const(results, 0);
BT_ASSERT(object && bt_value_is_string(object));
object_str = bt_value_string_get(object);
object = bt_value_array_borrow_element_by_index_const(results, 0);
BT_ASSERT(object && bt_value_is_string(object));
object_str = bt_value_string_get(object);