@NotNull
  private List<List<LineFragment>> compareIgnoreFormatting(@NotNull CharSequence text1,
                                                           @NotNull CharSequence text2,
                                                           @NotNull LineOffsets lineOffsets1,
                                                           @NotNull LineOffsets lineOffsets2,
                                                           @Nullable List<? extends Range> linesRanges,
                                                           @NotNull HighlightPolicy highlightPolicy,
                                                           @NotNull ProgressIndicator indicator) {
    InnerFragmentsPolicy fragmentsPolicy = highlightPolicy.getFragmentsPolicy();

    List<TextRange> ignoredRanges1 = myProvider.getIgnoredRanges(myProject, text1, myContent1);
    List<TextRange> ignoredRanges2 = myProvider.getIgnoredRanges(myProject, text2, myContent2);

    BitSet ignored1 = ComparisonManagerImpl.collectIgnoredRanges(ignoredRanges1);
    BitSet ignored2 = ComparisonManagerImpl.collectIgnoredRanges(ignoredRanges2);

    ComparisonManagerImpl comparisonManager = ComparisonManagerImpl.getInstanceImpl();
    if (linesRanges == null) {
      List<LineFragment> fragments = comparisonManager.compareLinesWithIgnoredRanges(text1, text2, lineOffsets1, lineOffsets2,
                                                                                     ignored1, ignored2, fragmentsPolicy, indicator);
      return Collections.singletonList(fragments);
    }
    else {
      List<List<LineFragment>> result = new ArrayList<>();
      for (Range range : linesRanges) {
        result.add(comparisonManager.compareLinesWithIgnoredRanges(range, text1, text2, lineOffsets1, lineOffsets2,
                                                                   ignored1, ignored2, fragmentsPolicy, indicator));
      }
      return result;
    }
  }
@NotNull
  private List<List<LineFragment>> compareIgnoreFormatting(@NotNull CharSequence text1,
                                                           @NotNull CharSequence text2,
                                                           @NotNull LineOffsets lineOffsets1,
                                                           @NotNull LineOffsets lineOffsets2,
                                                           @Nullable List<? extends Range> linesRanges,
                                                           @NotNull HighlightPolicy highlightPolicy,
                                                           @NotNull ProgressIndicator indicator)