private void saveSession() {
    if (saveSession) {
      LightEditTabs tabs = frameWrapper.getLightEditPanel().getTabs();
      List<VirtualFile> openFiles = tabs.getOpenFiles();
      configuration.sessionFiles.clear();
      configuration.sessionFiles.addAll(ContainerUtil.map(openFiles, openFile -> VfsUtilCore.pathToUrl(openFile.getPath())));
    }
  }
private void saveSession()