@NotNull
  public static CharSequence getLinesContent(@NotNull CharSequence sequence, @NotNull LineOffsets lineOffsets, int line1, int line2,
                                             boolean includeNewline) {
    assert sequence.length() == lineOffsets.getTextLength();
    return getLinesRange(lineOffsets, line1, line2, includeNewline).subSequence(sequence);
  }
@NotNull
  public static CharSequence getLinesContent(@NotNull CharSequence sequence, @NotNull LineOffsets lineOffsets, int line1, int line2,
                                             boolean includeNewline)