When the OuterPrivate is GC, will the Uobject be GC？What role does OuterPrivate play in the Uobject being GC？

[anonymous_user_b1c90d011 (anonymous_user_b1c90d01)]

When the OuterPrivate is GC, will the Uobject be GC？What role does OuterPrivate play in the Uobject being GC？