-SCM names_to_translators (SCM namelist, Context*tg);
-void recurse_over_translators (Context * c, Translator_method ptr, Direction);
-void translator_each (SCM list, Translator_method method);
+SCM names_to_translators (SCM namelist, Context *tg);
+void recurse_over_translators (Context *c, Translator_method ptr,
+ Translator_group_method ptr2, Direction);
+void precomputed_recurse_over_translators (Context *c, Translator_precompute_index idx, Direction dir);
+Translator_group *get_translator_group (SCM sym);
+
+#define foobar
+#define ADD_TRANSLATOR_GROUP(classname, desc, grobs, read, write) foobar