public function loadConfig(array $options)
    {
        foreach (self::$AVAILABLE_OPTIONS as $option) {
            if (isset($options[$option])) {
                $method = 'set' . \ucfirst($option);
                $this->$method($options[$option]);
            }
        }

        // legacy `tabCompletion` option
        if (isset($options['tabCompletion'])) {
            $msg = '`tabCompletion` is deprecated; use `useTabCompletion` instead.';
            @\trigger_error($msg, E_USER_DEPRECATED);

            $this->setUseTabCompletion($options['tabCompletion']);
        }

        foreach (['commands', 'matchers', 'casters'] as $option) {
            if (isset($options[$option])) {
                $method = 'add' . \ucfirst($option);
                $this->$method($options[$option]);
            }
        }

        // legacy `tabCompletionMatchers` option
        if (isset($options['tabCompletionMatchers'])) {
            $msg = '`tabCompletionMatchers` is deprecated; use `matchers` instead.';
            @\trigger_error($msg, E_USER_DEPRECATED);

            $this->addMatchers($options['tabCompletionMatchers']);
        }
    }