tester GtkdocTester GtkdocTesterClass gtkdoc_tester_new GTKDOC_TESTER_MACRO_DUMMY GTKDOC_TESTER_MACRO_SUM GTKDOC_TESTER GTKDOC_IS_TESTER GTKDOC_TYPE_TESTER gtkdoc_tester_get_type GTKDOC_TESTER_CLASS GTKDOC_IS_TESTER_CLASS GTKDOC_TESTER_GET_CLASS