@Override
  public @NotNull SpaceRequirements spaceExistenceTypeBetweenTokens(ASTNode left, ASTNode right) {
    return LanguageUtil.canStickTokensTogetherByLexer(left, right, new DtdLexer(false));
  }
@Override
  public @NotNull SpaceRequirements spaceExistenceTypeBetweenTokens(ASTNode left, ASTNode right)