public interface ExtensibleEnumRegistry<T extends ExtensibleEnum> extends Service {
    @Nonnull
    Optional<T> lookup(@Nonnull String id);

    @Nonnull
    default T require(@Nonnull String id) {
        return lookup(id).orElseThrow(() -> new IllegalArgumentException("Unknown extensible enum value '" + id + "'"));
    }

     * if applicable.
     */
    default boolean effectiveVerbose() {
        return options().isPresent() && options().orElseThrow().verbose().orElse(false)
                || ciInfo().isPresent() && ciInfo().orElseThrow().isVerbose();
    }

        return getCanonicalPath(Optional.ofNullable(
                        ServiceLoader.load(RootLocator.class).iterator().next().findMandatoryRoot(topDirectory))
                .orElseThrow());
    }

     *
     * @param id the id of the type to retrieve
     * @return the type
     */
    @Nonnull
    @Override
    default Type require(@Nonnull String id) {
        return lookup(id).orElseThrow(() -> new IllegalArgumentException("Unknown extensible enum value '" + id + "'"));
    }

    @Override
    public <T> T lookup(Class<T> type) {
        return objects.stream()
                .filter(type::isInstance)
                .map(type::cast)
                .findAny()
                .orElseThrow(() -> new LookupException("No service of type " + type));
    }

    @Override
    public <T> T lookup(Class<T> type, String name) {
        return null;
    }

    @Override

                        .build());

        Assertions.assertTrue(invokerRequest.options().isPresent());
        Options options = invokerRequest.options().orElseThrow();
        Assertions.assertFalse(options.showVersion().orElse(false));
        Assertions.assertFalse(options.showVersionAndExit().orElse(false));
        Assertions.assertTrue(options.showErrors().orElse(false));

                stream(request.getParameterValues(name)).of(stream -> stream.filter(StringUtil::isNotBlank).forEach(permissionSet::add));
                return OptionalEntity.of(permissionSet);
            }).orElseThrow(() -> new InvalidAccessTokenException("invalid_token", "Invalid token: " + token));
        }
        return OptionalEntity.empty();
    }

        result.add(cliOptions);
        // atFile option
        if (cliOptions.atFile().isPresent()) {
            Path file = context.cwd.resolve(cliOptions.atFile().orElseThrow());
            if (Files.isRegularFile(file)) {
                result.add(parseMavenAtFileOptions(file));
            } else {

                                .filter(Matcher::matches)
                                .map(m -> m.group(1))
                                .findFirst()
                                .orElseThrow(() -> new IOException("Packed reference not found for refName " + refName));
                    }
                } else {
                    File refsDir = gitDir.resolve("refs").toFile();

                .map(String::trim)
                .filter(l -> !l.isEmpty() && !l.startsWith("#"))
                .filter(l -> l.startsWith("distributionUrl"))
                .findFirst()
                .orElseThrow(() -> new IllegalStateException("distributionUrl not found in " + props));

        int idx = distributionUrl.indexOf('=');
        if (idx < 0) {