private void fireFileTypesChanged(@Nullable FileType addedFileType, @Nullable FileType removedFileType) {
    myDetectionService.clearCaches();
    CachedFileType.clearCache();
    ApplicationManager.getApplication().getMessageBus().syncPublisher(TOPIC).fileTypesChanged(new FileTypeEvent(this, addedFileType, removedFileType));
  }
private void fireFileTypesChanged(@Nullable FileType addedFileType, @Nullable FileType removedFileType)