graph TD;
New-Issue-->Doing;
Doing-->Done;
graph TD;
New-Issue-->Backlog;
Backlog-->Estimate;
Estimate-->Doing;
Doing-->Waiting-Review;
Doing-->Done;
Waiting-Review-->Reviewed;
Waiting-Review-->Doing;
Waiting-Review-->Backlog;
Waiting-Review-->Reviewed;
Reviewed-->Done;
Waiting-Review-->Done;
Done-->Closed;
graph TD;
Bug-->Backlog;
Backlog-->Estimate;
Estimate-->Doing;
Bug-->Doing;
Doing-->Fixed-Verify;
Verify-->Verified;
Fixed-Verify-->Verify;
Verify-->Doing;
Verify-->Done;
Verified-->Done;
Done-->Closed;
Closed-->Reopen;
Reopen-->Doing;
Reopen-->Backlog;