private static boolean shouldMergeChunks(@NotNull PendingChunk chunk1, @NotNull PendingChunk chunk2) {
    if (!chunk1.hasEqualWords && !chunk2.hasEqualWords) return true; // combine lines, that matched only by '\n'
    if (chunk1.isEqualIgnoreWhitespaces && chunk2.isEqualIgnoreWhitespaces) return true; // combine whitespace-only changed lines
    if (!chunk1.hasWordsInside || !chunk2.hasWordsInside) return true; // squash block without words in it
    return false;
  }
private static boolean shouldMergeChunks(@NotNull PendingChunk chunk1, @NotNull PendingChunk chunk2)