public static void doPostponedFormatting(final Project project) {
   DocumentUtil.writeInRunUndoTransparentAction(
       new Runnable() {
         @Override
         public void run() {
           PsiDocumentManager.getInstance(project).commitAllDocuments();
           PostprocessReformattingAspect.getInstance(project).doPostponedFormatting();
         }
       });
 }
  private void insertDummyIdentifier(
      final CompletionInitializationContext initContext,
      final boolean hasModifiers,
      final int invocationCount) {
    final PsiFile originalFile = initContext.getFile();
    InjectedLanguageManager manager =
        InjectedLanguageManager.getInstance(originalFile.getProject());
    final PsiFile hostFile = manager.getTopLevelFile(originalFile);
    final Editor hostEditor = InjectedLanguageUtil.getTopLevelEditor(initContext.getEditor());
    final OffsetMap hostMap =
        translateOffsetMapToHost(initContext, originalFile, hostFile, hostEditor);

    final PsiFile[] hostCopy = {null};
    DocumentUtil.writeInRunUndoTransparentAction(
        new Runnable() {
          @Override
          public void run() {
            hostCopy[0] =
                createFileCopy(
                    hostFile, initContext.getStartOffset(), initContext.getSelectionEndOffset());
          }
        });

    final Document copyDocument = hostCopy[0].getViewProvider().getDocument();
    assert copyDocument != null : "no document";
    final OffsetTranslator translator =
        new OffsetTranslator(hostEditor.getDocument(), initContext.getFile(), copyDocument);

    CompletionAssertions.checkEditorValid(initContext.getEditor());
    CommandProcessor.getInstance()
        .runUndoTransparentAction(
            new Runnable() {
              @Override
              public void run() {
                ApplicationManager.getApplication()
                    .runWriteAction(
                        new Runnable() {
                          @Override
                          public void run() {
                            String dummyIdentifier = initContext.getDummyIdentifier();
                            if (StringUtil.isEmpty(dummyIdentifier)) return;

                            int startOffset =
                                hostMap.getOffset(CompletionInitializationContext.START_OFFSET);
                            int endOffset =
                                hostMap.getOffset(
                                    CompletionInitializationContext.SELECTION_END_OFFSET);
                            copyDocument.replaceString(startOffset, endOffset, dummyIdentifier);
                          }
                        });
              }
            });
    CompletionAssertions.checkEditorValid(initContext.getEditor());

    final Project project = originalFile.getProject();

    if (!synchronous) {
      if (CompletionServiceImpl.isPhase(CompletionPhase.NoCompletion.getClass())
          || !CompletionServiceImpl.assertPhase(CompletionPhase.CommittingDocuments.class)) {
        Disposer.dispose(translator);
        return;
      }

      final CompletionPhase.CommittingDocuments phase =
          (CompletionPhase.CommittingDocuments) CompletionServiceImpl.getCompletionPhase();

      CompletionAutoPopupHandler.runLaterWithCommitted(
          project,
          copyDocument,
          new Runnable() {
            @Override
            public void run() {
              if (phase.checkExpired()) {
                Disposer.dispose(translator);
                return;
              }
              doComplete(
                  initContext, hasModifiers, invocationCount, hostCopy[0], hostMap, translator);
            }
          });
    } else {
      PsiDocumentManager.getInstance(project).commitDocument(copyDocument);

      doComplete(initContext, hasModifiers, invocationCount, hostCopy[0], hostMap, translator);
    }
  }