@AfterTemplate
    CharMatcher after() {
      return CharMatcher.invisible();
    }
  }

  class SingleWidth {
    @BeforeTemplate
    CharMatcher before() {
      return CharMatcher.SINGLE_WIDTH;
    }

    @AfterTemplate
    CharMatcher after() {
      return CharMatcher.singleWidth();
    }
  }

  class Any {
    @BeforeTemplate
    CharMatcher before() {