@Override
  public boolean equals(Object o) {
    if (!(o instanceof SpacingImpl spacing)) return false;
    return myFlags == spacing.myFlags &&
           myMinSpaces == spacing.myMinSpaces &&
           myMaxSpaces == spacing.myMaxSpaces &&
           myMinLineFeeds == spacing.myMinLineFeeds &&
           myPrefLineFeeds == spacing.myPrefLineFeeds &&
           myKeepBlankLines == spacing.myKeepBlankLines;
  }
@Override
  public boolean equals(Object o)