access to the design doc of FLINK-12477

[Shuyi Chen]

Hi Devs, can anyone grant access to the design doc of FLINK-12477? Thanks a
lot.

https://docs.google.com/document/d/1eDpsUKv2FqwZiS1Pm6gYO5eFHScBHfULKmH1-ZEWB4g

Shuyi