public function getToolConsumerName()
    {
        return $this->hasVariable(self::TOOL_CONSUMER_INSTANCE_NAME)
            ? $this->getVariable(self::TOOL_CONSUMER_INSTANCE_NAME)
            : $this->hasVariable(self::TOOL_CONSUMER_INSTANCE_DESCRIPTION)
                ? $this->getVariable(self::TOOL_CONSUMER_INSTANCE_DESCRIPTION)
                : null;
    }