When use ProcessInstanceModificationBuilder to move processInstance, which tasks need to be canceled
As shown in the figure, 3 to be handled (A-> C, B-> C, B-> D)，When moving to B, I need to cancel the tasks generated by B->C and B->D
but when moving to A, need to cancel all tasks。
How do I decide to cancel a task。
What I think is whether it can record the prelude of each task object, and then determine whether the path of the retreat contains the mission according to the path，But how