MONO_API mono_unichar2 *mono_string_chars (MonoString *s);
MONO_API int mono_string_length (MonoString *s);
-MONO_API MonoObject *
+MONO_RT_EXTERNAL_ONLY MONO_API MonoObject *
mono_object_new (MonoDomain *domain, MonoClass *klass);
MONO_API MonoObject *