public function endUnless(bool $condition, ?callable $callback = null): void
    {
        $this->endIf(! $condition, $callback);
    }
public function endUnless(bool $condition, ?callable $callback = null): void
    {
        $this->endIf(! $condition, $callback);
    }
public function endUnless ( bool $ condition , ? callable $ callback = null ) : void { $ this -> endIf ( ! $ condition , $ callback ) ; }
End the timer unless condition is matched.

@param  bool  $condition
@param  callable|null  $callback

@return void
End the timer unless condition is matched .