@Override
  @Internal
  @NotNull
  public IntPredicate getAccessibleFileIdFilter(@Nullable Project project) {
    boolean dumb = ActionUtil.isDumbMode(project);
    if (!dumb) return f -> true;

    if (DumbServiceImpl.ALWAYS_SMART && project != null && UnindexedFilesUpdater.isIndexUpdateInProgress(project)) {
      return f -> true;
    }

    DumbModeAccessType dumbModeAccessType = getCurrentDumbModeAccessType();
    if (dumbModeAccessType == null) {
      //throw new IllegalStateException("index access is not allowed in dumb mode");
      return __ -> true;
    }

    if (dumbModeAccessType == DumbModeAccessType.RAW_INDEX_DATA_ACCEPTABLE) return f -> true;

    assert dumbModeAccessType == DumbModeAccessType.RELIABLE_DATA_ONLY;
    return fileId -> !getFilesToUpdateCollector().containsFileId(fileId);
  }
@Override
  @Internal
  @NotNull
  public IntPredicate getAccessibleFileIdFilter(@Nullable Project project)