Model/AbstractConstants.php
public static function getChoices()
    {
        $choices = [];
        foreach (static::getConfig() as $constant => $config) {
            $choices[$constant] = $config[0];
        }
        return $choices;
    }
public static function getChoices()
    {
        $choices = [];
        foreach (static::getConfig() as $constant => $config) {
            $choices[$constant] = $config[0];
        }
        return $choices;
    }
Returns the constant choices.

@return array