
Adds a generic type and pop result to popscope and its friend. The use cases are to be able to capture the result when the pop is called. migration guide: https://github.com/flutter/website/pull/9872
Adds a generic type and pop result to popscope and its friend. The use cases are to be able to capture the result when the pop is called. migration guide: https://github.com/flutter/website/pull/9872