void (@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(); } } } }