protected function getKeysToWrite()
    {
        $keys = array_get($this->config, 'keys', ['*']);

        if (in_array('*', $keys)) {
            return $this->getWritableDefaultKeys();
        }

        return $keys;
    }
protected function getKeysToWrite()
    {
        $keys = array_get($this->config, 'keys', ['*']);

        if (in_array('*', $keys)) {
            return $this->getWritableDefaultKeys();
        }

        return $keys;
    }
protected function getKeysToWrite ( ) { $ keys = array_get ( $ this -> config , 'keys' , [ '*' ] ) ; if ( in_array ( '*' , $ keys ) ) { return $ this -> getWritableDefaultKeys ( ) ; } return $ keys ; }
Returns the keys that should be written.

@return string[]
Returns the keys that should be written .