Application.php
protected function getDefaultOptionIds()
    {
        $optionIds = [];
        $defaultDefinition = $this->getDefaultInputDefinition();

        foreach ($defaultDefinition->getOptions() as $option) {
            $optionIds[] = $option->getName();
        };

        return $optionIds;
    }
protected function getDefaultOptionIds()
    {
        $optionIds = [];
        $defaultDefinition = $this->getDefaultInputDefinition();

        foreach ($defaultDefinition->getOptions() as $option) {
            $optionIds[] = $option->getName();
        };

        return $optionIds;
    }
Get default options id.

@return array
Option IDs.