code: public static DecomposableMatchBuilder1<Long, Long> caseLong(MatchesAny<Long> l) {
      List<Matcher<Object>> matchers = new ArrayList<>();
      matchers.add(any());
  
      return new DecomposableMatchBuilder1<>(matchers, 0, new PrimitiveFieldExtractor<>(Long.class));
    }
docs: Matches a long.
  
  <p>If matched, the long value is extracted.