+extern const bt_field_class_variant_option *
+bt_field_variant_borrow_selected_option_class_const(
+ const bt_field *field);
+
+extern const bt_field_class_variant_with_selector_field_integer_unsigned_option *
+bt_field_variant_with_selector_field_integer_unsigned_borrow_selected_option_class_const(
+ const bt_field *field);
+
+extern const bt_field_class_variant_with_selector_field_integer_signed_option *
+bt_field_variant_with_selector_field_integer_signed_borrow_selected_option_class_const(
+ const bt_field *field);
+