private function after(callable $after): void
    {
        if ($after instanceof Closure) {
            $this->options["after"] = $after->bindTo($this);
        } else {
            $this->options["after"] = $after;
        }
    }
private function after(callable $after): void
    {
        if ($after instanceof Closure) {
            $this->options["after"] = $after->bindTo($this);
        } else {
            $this->options["after"] = $after;
        }
    }
private function after ( callable $ after ) : void { if ( $ after instanceof Closure ) { $ this -> options [ "after" ] = $ after -> bindTo ( $ this ) ; } else { $ this -> options [ "after" ] = $ after ; } }
Set the after handler.
Set the after handler .