public function group(array $attributes, callable $callback)
    {
        $this->groupAttributes = $attributes;
        $callback();
        $this->groupAttributes = null;
        return $this;
    }
public function group(array $attributes, callable $callback)
    {
        $this->groupAttributes = $attributes;
        $callback();
        $this->groupAttributes = null;
        return $this;
    }
public function group ( array $ attributes , callable $ callback ) { $ this -> groupAttributes = $ attributes ; $ callback ( ) ; $ this -> groupAttributes = null ; return $ this ; }
Group routes by attributes.

@param array $attributes
@param callable $callback
Group routes by attributes .