// Find the resource with the custom directory
        Resource customResource = resources.stream()
                .filter(r -> r.getDirectory().endsWith("custom"))
                .findFirst()
                .orElseThrow(() -> new AssertionError("Custom resource not found"));

        // Verify targetPath was preserved through conversion chain
        assertEquals(

        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 {

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

        if (coreExtensions.isEmpty() || coreExtensions.get().isEmpty()) {
            return List.of();
        }

        return selectCoreExtensions(
                context, context.invokerRequest.coreExtensions().orElseThrow());
    }

    /**
     * Selects extensions to load discovered from various sources by precedence ("first wins"), as
     * {@link InvokerRequest#coreExtensions()} is in precedence order. Also reports conflicts, if any.

            try (Stream<String> lines = Files.lines(file.toPath())) {
                String packageLine = lines.filter(line -> line.startsWith("package"))
                    .findFirst()
                    .orElseThrow(() -> new IOException("Can't find package definition in file " + file));
                Matcher matcher = pattern.matcher(packageLine);
                if (matcher.find()) {
                    return matcher.group(1);

    assertThat(response1.body.string()).isEqualTo("ABC")
    val cacheEntry =
      fileSystem.allPaths
        .stream()
        .filter { e: Path -> e.name.endsWith(".0") }
        .findFirst()
        .orElseThrow { NoSuchElementException() }
    corruptCertificate(cacheEntry)
    val response2 = client.newCall(request).execute() // Not Cached!
    assertThat(response2.body.string()).isEqualTo("DEF")