### Is Your Feature Request Related to a Problem? convert PopCheckPoint java class to rust struct, and put it in target postion ### Describe the Solution You'd Like  ### Describe Alternatives You've Considered _No response_ ### Additional Context _No response_
Is Your Feature Request Related to a Problem?
convert PopCheckPoint java class to rust struct, and put it in target postion
Describe the Solution You'd Like
Describe Alternatives You've Considered
No response
Additional Context
No response