public static function getReplacements($system_message = '', $payload = [], $help_link = '', $hateoas = [], $replacements = [])
    {
        if ($system_message) {
            $replacements[':system_message'] = $system_message;
        }
        if (!empty($payload)) {
            $replacements[':payload'] = $payload;
        }
        if ($help_link) {
            $replacements[':help'] = $help_link;
        }
        if (!empty($hateoas)) {
            $replacements[':links'] = $hateoas;
        }

        return $replacements;
    }