@Override
      public void childAdded(@NotNull PsiTreeChangeEvent event) {
        final PsiFile file = event.getFile();
        if (file instanceof XmlFile) {
          final PropertiesFile propertiesFile = PropertiesImplUtil.getPropertiesFile(file);
          if (propertiesFile != null) {
            final ResourceBundle bundle = propertiesFile.getResourceBundle();
            if (bundle.equals(myResourceBundle) && !myEditors.containsKey(propertiesFile.getVirtualFile())) {
              recreateEditorsPanel();
            }
          }
        }
      }
@Override
      public void childAdded(@NotNull PsiTreeChangeEvent event)