code: func SettingsNewWithBackend(schemaID string, backend *SettingsBackend) *Settings {
  	cstr1 := (*C.gchar)(C.CString(schemaID))
  	defer C.free(unsafe.Pointer(cstr1))
  
  	return wrapFullSettings(C.g_settings_new_with_backend(cstr1, backend.native()))
  }
docs: // SettingsNewWithBackend is a wrapper around g_settings_new_with_backend().