If these libraries are not yet part of your template image, you must install them now.
如果这些库还不属于您的模板映像中的一部分，那么您现在必须安装它们。
Although no data was serialized, the sample must implement this method to cover the component initialization when the instance is created as part of a template.
尽管未对数据执行序列化，但是当作为模板的一部分创建实例时，样例必须实现这个方法来涵盖组件初始化。
Therefore the client API is an essential part of every template.
因此，客户端 API 是每个模板的必要部分。
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