-MonoBoolean mono_perfcounter_category_del (MonoString *name) MONO_INTERNAL;
-MonoString* mono_perfcounter_category_help (MonoString *category, MonoString *machine) MONO_INTERNAL;
-MonoBoolean mono_perfcounter_category_exists (MonoString *counter, MonoString *category, MonoString *machine) MONO_INTERNAL;
-MonoBoolean mono_perfcounter_create (MonoString *category, MonoString *help, int type, MonoArray *items) MONO_INTERNAL;
-int mono_perfcounter_instance_exists (MonoString *instance, MonoString *category, MonoString *machine) MONO_INTERNAL;
-MonoArray* mono_perfcounter_category_names (MonoString *machine) MONO_INTERNAL;
-MonoArray* mono_perfcounter_counter_names (MonoString *category, MonoString *machine) MONO_INTERNAL;
-MonoArray* mono_perfcounter_instance_names (MonoString *category, MonoString *machine) MONO_INTERNAL;
+MonoBoolean mono_perfcounter_category_del (MonoString *name);
+MonoString* mono_perfcounter_category_help (MonoString *category, MonoString *machine);
+MonoBoolean mono_perfcounter_category_exists (MonoString *counter, MonoString *category, MonoString *machine);
+MonoBoolean mono_perfcounter_create (MonoString *category, MonoString *help, int type, MonoArray *items);
+int mono_perfcounter_instance_exists (MonoString *instance, MonoString *category, MonoString *machine);
+MonoArray* mono_perfcounter_category_names (MonoString *machine);
+MonoArray* mono_perfcounter_counter_names (MonoString *category, MonoString *machine);
+MonoArray* mono_perfcounter_instance_names (MonoString *category, MonoString *machine);