question: public static Workflow . Method deleteBlockSnapshotSessionMethod ( URI systemURI , URI snapSessionURI , String groupName , Boolean markInactive ) { return new Workflow . Method ( DELETE_SNAPSHOT_SESSION_METHOD , systemURI , snapSessionURI , groupName , markInactive ) ; }
target:  Create the workflow method that is invoked by the workflow service to delete the array snapshot represented by the BlockSnapshotSession instance with the passed URI to its source.