public function keyMap($keyMap = null)
    {
        if (!is_null($keyMap)) {
            $this->keyMap = $keyMap;
        }

        return $this->keyMap;
    }
public function keyMap($keyMap = null)
    {
        if (!is_null($keyMap)) {
            $this->keyMap = $keyMap;
        }

        return $this->keyMap;
    }
public function keyMap ( $ keyMap = null ) { if ( ! is_null ( $ keyMap ) ) { $ this -> keyMap = $ keyMap ; } return $ this -> keyMap ; }
Get or set the key map

The key map permits translating the parsed array keys

@param mixed $keyMap
@return array
Get or set the key map