Method getOption

/**
 * Get the option
 *
 * @param   string  $key      An option key
 * @param   string  $default  A default value
 *
 * @return mixed
 *
 * @since   4.0.0
 */
public function getOption(string $key, $default = null)
{
    if (array_key_exists($key, $this->options)) {
        return $this->options[$key];
    }
    return $default;
}