lib/AdobeMarketingCloud/OptionParser.php
public function expectsParameter($flag)
    {
        $rule = $this->getRule($flag);
        return $rule && $rule['required'] !== self::PARAM_NOTREQUIRED;
    }
public function expectsParameter($flag)
    {
        $rule = $this->getRule($flag);
        return $rule && $rule['required'] !== self::PARAM_NOTREQUIRED;
    }
Returns true if the given flag expects a parameter.

@return  bool