DetachedRouteHandle
表示已分离的路由树。
Represents the detached route tree.
type DetachedRouteHandle = {};
说明
这是路由器提供给自定义路由复用策略的不透明值，以便以后存储和检索。
This is an opaque value the router will give to a custom route reuse strategy to store and retrieve later on.
