private boolean canFindFurtherForward(FileDataProviderForSearch fileDataProviderForSearch) throws IOException {
    long pagesAmount = fileDataProviderForSearch.getPagesAmount();
    return myRightBorderPageNumber != UNDEFINED && myRightBorderPageNumber < pagesAmount - 1;
  }
private boolean canFindFurtherForward(FileDataProviderForSearch fileDataProviderForSearch)