In fact, you can think of finding children on a per-type basis as a visitor operation that can be encapsulated in a visitor itself.

实际上，您可以将按照类型查找子节点的操作视为可封装在访问者自身中的访问者操作。

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The Russian doll pattern defines all subelements locally; thus, each element and its type are encapsulated by their parent, much like the Russian dolls.

Russian doll 范式局部地定义所有子元素；因此，每个元素及其类型都封装在其父元素之中，就像俄罗斯套娃那样。

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To support unmarshaling, the protocol sends classes as individually encapsulated slices, each tagged with their type.

为了支持解编，协议按单独封装的剪切片发送类，每个都标记其类型。

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