src/DrushStack.php
protected function argsForNextCommand($args)
    {
        if (!is_array($args)) {
            $args = func_get_args();
        }
        $this->argumentsForNextCommand .= ' ' . implode(' ', $args);

        return $this;
    }
protected function argsForNextCommand($args)
    {
        if (!is_array($args)) {
            $args = func_get_args();
        }
        $this->argumentsForNextCommand .= ' ' . implode(' ', $args);

        return $this;
    }
Add multiple arguments used in the next invocation of drush.

@param array|string $args can also be multiple parameters

@return $this