docs: static Matcher removeStartFollowedByMatchAny(Matcher matcher) {
      if (matcher instanceof SeqMatcher) {
        List<Matcher> matchers = matcher.<SeqMatcher>as().matchers();
        if (matchers.size() == 2
            && matchers.get(0) instanceof StartMatcher
            && matchers.get(1) instanceof ZeroOrMoreMatcher) {
          ZeroOrMoreMatcher zm = matchers.get(1).as();
          if (zm.repeated() instanceof AnyMatcher) {
            return zm;
          }
        }
      }
      return matcher;
    }