code: func (v *SettingsSchema) HasKey(v1 string) bool {
  	cstr := (*C.gchar)(C.CString(v1))
  	defer C.free(unsafe.Pointer(cstr))
  
  	return gobool(C.g_settings_schema_has_key(v.native(), cstr))
  }
docs: // HasKey() is a wrapper around g_settings_schema_has_key().