src/ExtDirect/Cache/ExtCache.php
public function getApi()
    {
        $api = $this->get(Keys::EXT_API);
        if (is_array($api)) {
            return $api;
        }
        return false;
    }
public function getApi()
    {
        $api = $this->get(Keys::EXT_API);
        if (is_array($api)) {
            return $api;
        }
        return false;
    }
Returns ext api as array

@return array|bool