BlackList example

private $checkNumAssertions = false;

    /** * @param array $mockedNamespaces List of namespaces, indexed by mocked features (time-sensitive or dns-sensitive) */
    public function __construct(array $mockedNamespaces = [])
    {
        if (class_exists(ExcludeList::class)) {
            (new ExcludeList())->getExcludedDirectories();
            ExcludeList::addDirectory(\dirname((new \ReflectionClass(__CLASS__))->getFileName(), 2));
        } elseif (method_exists(Blacklist::class, 'addDirectory')) {
            (new BlackList())->getBlacklistedDirectories();
            Blacklist::addDirectory(\dirname((new \ReflectionClass(__CLASS__))->getFileName(), 2));
        } else {
            Blacklist::$blacklistedClassNames[__CLASS__] = 2;
        }

        $enableDebugClassLoader = class_exists(DebugClassLoader::class);

        foreach ($mockedNamespaces as $type => $namespaces) {
            if (!\is_array($namespaces)) {
                $namespaces = [$namespaces];
            }