Schema authors often need to add the same kind of wildcard to a large number of complex types to allow future extension.

模式作者通常需要将同一种通配符添加到大量复杂类型以允许进一步的扩展。

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Schema authors often need to add the same kind of wildcard to a large number of complex types to allow future extension.

模式作者通常需要将同一种通配符添加到大量复杂类型以允许进一步的扩展。

youdao