public function rollback()
    {
        $this->models = $this->original;
        $this->added = [];
        $this->removed = [];
        return $this;
    }
public function rollback()
    {
        $this->models = $this->original;
        $this->added = [];
        $this->removed = [];
        return $this;
    }
public function rollback ( ) { $ this -> models = $ this -> original ; $ this -> added = [ ] ; $ this -> removed = [ ] ; return $ this ; }
Rollsback the collection it it's original state.

@return  self
Rollsback the collection it it s original state .