public static @NotNull FormattingService findImportsOptimizingService(@NotNull PsiFile file) {
    FormattingService importsOptimizer = ContainerUtil.find(
      FormattingService.EP_NAME.getExtensionList(),
      s -> s.getFeatures().contains(FormattingService.Feature.OPTIMIZE_IMPORTS) && s.canFormat(file)
    );
    LOG.assertTrue(importsOptimizer != null,
                   "At least 1 formatting service which can optimize imports in PsiFile " + file.getName() + " should be registered.");
    return importsOptimizer;
  }
public static @NotNull FormattingService findImportsOptimizingService(@NotNull PsiFile file)