protected function runWithCli(string $className, array $parameters): bool

        $cli = new $className();

        return $cli(...$parameters);

    public function __invoke(...$parameters): bool

        if (class_exists(self::CLI_CLASS_NAME)) {

            return $this->runWithCli(self::CLI_CLASS_NAME, $parameters);

        $function = (($parameters[1] ?? '') === 'install' ? ($parameters[2] ?? null) : null) ?: 'shell_exec';

        $function('composer require carbon-cli/carbon-cli --no-interaction');

        echo 'Installation succeeded.';

        return true;