I need OuterRef

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i need outerref to create prefetch & limit

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post_prefetch = Prefetch("posts",Post.filter(user_id=OuterRef("id")).limit(5)))
user_posts = await User.all().prefetch_related(post_prefetch)

result:

>>> user_posts[0].posts
[post 1, post 2, post 3, post 4, post 5]

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Additional context
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Start by reviewing the Prefetch and prefetch_related entry points mentioned in the issue, along with how query limits are currently handled. Determine whether the requested OuterRef behavior can support a limited, per-user prefetch, and define completion as returning up to five posts for each user's relation as shown in the example.