private static boolean isChunksEquals(@Nullable CharSequence chunk1,
                                        @Nullable CharSequence chunk2,
                                        @NotNull ComparisonPolicy comparisonPolicy) {
    if (chunk1 == null) chunk1 = "";
    if (chunk2 == null) chunk2 = "";
    return ComparisonUtil.isEqualTexts(chunk1, chunk2, comparisonPolicy);
  }
private static boolean isChunksEquals(@Nullable CharSequence chunk1,
                                        @Nullable CharSequence chunk2,
                                        @NotNull ComparisonPolicy comparisonPolicy)