code: func ApplicationIDIsValid(id string) bool {
  	cstr1 := (*C.gchar)(C.CString(id))
  	defer C.free(unsafe.Pointer(cstr1))
  
  	return gobool(C.g_application_id_is_valid(cstr1))
  }
docs: // ApplicationIDIsValid is a wrapper around g_application_id_is_valid().