The response template contains a type safe subset of the value object information graph requested by the user in the request template.
响应模板中包含类型安全的值对象信息图子集，这些信息是用户在请求模板中请求的。
The object of a value type is in the stack, but the object of a reference type is in the heap.
数值类型的对象位于栈中，但是引用类型的对象位于堆中。
The above code indicates that the value held by the variable person is of type Object.
上面的代码说明了变量person中存放的值是Object类型的。
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