public function removeUncaughtException($env, $exception = null)
    {
        $this->swapArgs($env, $exception, $this->running_env);
        
        $is_removed = false;
        if (isset($this->exceptions[$env])) {
            $exception  = Objects::getFullName($exception);
            $is_removed = (bool)Arrays::remove($this->exceptions[$env], $exception);
        }
        
        return $is_removed;
    }