question: public void recordGCVersions ( RegionVersionVector < T > other ) { assert other . memberToGCVersion != null : "incoming gc version set is null" ; recordGCVersion ( other . myId , other . localGCVersion . get ( ) ) ; for ( Map . Entry < T , Long > entry : other . memberToGCVersion . entrySet ( ) ) { recordGCVersion ( entry . getKey ( ) , entry . getValue ( ) . longValue ( ) ) ; } }
target:  record all of the GC versions in the given vector